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40242039180768 = 253474531208309
BaseRepresentation
bin10010010011001100101000…
…11100110100110111100000
312021111002201220100100110000
421021212110130310313200
520233311144012241033
6221330534303540000
711322251150116665
oct1111462434646740
9167432656310400
1040242039180768
111190560a011a77
12461b2155ba600
13195ba67281219
149d1a21901a6c
1549bbc3bc9a13
hex249994734de0

40242039180768 has 120 divisors (see below), whose sum is σ = 118352875493160. Its totient is φ = 13413768687360.

The previous prime is 40242039180767. The next prime is 40242039180787. The reversal of 40242039180768 is 86708193024204.

40242039180768 is a `hidden beast` number, since 4 + 0 + 2 + 420 + 39 + 180 + 7 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40242039180767) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 193080198 + ... + 193288506.

It is an arithmetic number, because the mean of its divisors is an integer number (986273962443).

Almost surely, 240242039180768 is an apocalyptic number.

40242039180768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40242039180768 is an abundant number, since it is smaller than the sum of its proper divisors (78110836312392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40242039180768 is a wasteful number, since it uses less digits than its factorization.

40242039180768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282862 (or 282845 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 40242039180768 in words is "forty trillion, two hundred forty-two billion, thirty-nine million, one hundred eighty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 74531 149062 208309 223593 298124 416618 447186 596248 624927 670779 833236 894372 1192496 1249854 1341558 1666472 1788744 1874781 2012337 2384992 2499708 2683116 3332944 3577488 3749562 4024674 4999416 5366232 5624343 6037011 6665888 7154976 7499124 8049348 9998832 10732464 11248686 12074022 14998248 16098696 16873029 19997664 21464928 22497372 24148044 29996496 32197392 33746058 44994744 48296088 59992992 64394784 67492116 89989488 96592176 134984232 179978976 193184352 269968464 539936928 15525478079 31050956158 46576434237 62101912316 93152868474 124203824632 139729302711 186305736948 248407649264 279458605422 372611473896 419187908133 496815298528 558917210844 745222947792 838375816266 1117834421688 1257563724399 1490445895584 1676751632532 2235668843376 2515127448798 3353503265064 4471337686752 5030254897596 6707006530128 10060509795192 13414013060256 20121019590384 40242039180768