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40042870012896 = 2531304931965149
BaseRepresentation
bin10010001101011001101010…
…00010101111101111100000
312020210001122110102022100220
421012230311002233233200
520222030244210403041
6221055235053243040
711302000435122042
oct1106546502575740
9166701573368326
1040042870012896
11118390a42302a3
1245a86b0193480
13194604611b8ba
149c6129cd3a92
1549691866cd66
hex246b350afbe0

40042870012896 has 48 divisors (see below), whose sum is σ = 105120592290000. Its totient is φ = 13346600035328.

The previous prime is 40042870012877. The next prime is 40042870012913. The reversal of 40042870012896 is 69821007824004.

40042870012896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14729871 + ... + 17235278.

It is an arithmetic number, because the mean of its divisors is an integer number (2190012339375).

Almost surely, 240042870012896 is an apocalyptic number.

It is an amenable number.

40042870012896 is an abundant number, since it is smaller than the sum of its proper divisors (65077722277104).

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

40042870012896 is a wasteful number, since it uses less digits than its factorization.

40042870012896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31978211 (or 31978203 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 40042870012896 in words is "forty trillion, forty-two billion, eight hundred seventy million, twelve thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 13049 26098 39147 52196 78294 104392 156588 208784 313176 417568 626352 1252704 31965149 63930298 95895447 127860596 191790894 255721192 383581788 511442384 767163576 1022884768 1534327152 3068654304 417113229301 834226458602 1251339687903 1668452917204 2502679375806 3336905834408 5005358751612 6673811668816 10010717503224 13347623337632 20021435006448 40042870012896