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40331857954 = 2193457307019
BaseRepresentation
bin100101100011111101…
…110101000000100010
310212002210111200000211
4211203331311000202
51130044423423304
630310031404334
72625314064463
oct454375650042
9125083450024
1040331857954
1116117311913
1279970836aa
133a59a55c0b
141d486b4d6a
1510b0bda204
hex963f75022

40331857954 has 16 divisors (see below), whose sum is σ = 63700509600. Its totient is φ = 19098975744.

The previous prime is 40331857949. The next prime is 40331858003. The reversal of 40331857954 is 45975813304.

It is a super-2 number, since 2×403318579542 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40331857898 and 40331857907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22144 + ... + 284875.

It is an arithmetic number, because the mean of its divisors is an integer number (3981281850).

Almost surely, 240331857954 is an apocalyptic number.

40331857954 is a deficient number, since it is larger than the sum of its proper divisors (23368651646).

40331857954 is a wasteful number, since it uses less digits than its factorization.

40331857954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310497.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 40331857954 in words is "forty billion, three hundred thirty-one million, eight hundred fifty-seven thousand, nine hundred fifty-four".

Divisors: 1 2 19 38 3457 6914 65683 131366 307019 614038 5833361 11666722 1061364683 2122729366 20165928977 40331857954