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40553331040 = 2551867135757
BaseRepresentation
bin100101110001001010…
…101011100101100000
310212200020020122222201
4211301022223211200
51131023123043130
630344022342544
72633643424555
oct456112534540
9125606218881
1040553331040
1116220330922
127a3928aa54
133a938bac91
141d69c86a2c
1510c5386bca
hex9712ab960

40553331040 has 48 divisors (see below), whose sum is σ = 95859266832. Its totient is φ = 16212524544.

The previous prime is 40553330971. The next prime is 40553331073. The reversal of 40553331040 is 4013335504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230842 + ... + 366598.

It is an arithmetic number, because the mean of its divisors is an integer number (1997068059).

Almost surely, 240553331040 is an apocalyptic number.

40553331040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40553331040 is an abundant number, since it is smaller than the sum of its proper divisors (55305935792).

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

40553331040 is a wasteful number, since it uses less digits than its factorization.

40553331040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137639 (or 137631 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 40553331040 its reverse (4013335504), we get a palindrome (44566666544).

The spelling of 40553331040 in words is "forty billion, five hundred fifty-three million, three hundred thirty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1867 3734 7468 9335 14936 18670 29872 37340 59744 74680 135757 149360 271514 298720 543028 678785 1086056 1357570 2172112 2715140 4344224 5430280 10860560 21721120 253458319 506916638 1013833276 1267291595 2027666552 2534583190 4055333104 5069166380 8110666208 10138332760 20276665520 40553331040