40387904339031 has 40 divisors (see below), whose sum is σ = 61360159156560. Its totient is φ = 26466741197568.

The previous prime is 40387904339011. The next prime is 40387904339087. The reversal of 40387904339031 is 13093340978304.

40387904339031 is a `hidden beast` number, since 4 + 0 + 3 + 8 + 7 + 90 + 433 + 90 + 31 = 666.

It is not a de Polignac number, because 40387904339031 - 2⁶ = 40387904338967 is a prime.

It is a super-2 number, since 2×40387904339031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40387904339011) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 59077441 + ... + 59757173.

It is an arithmetic number, because the mean of its divisors is an integer number (1534003978914).

Almost surely, 2^{40387904339031} is an apocalyptic number.

40387904339031 is a deficient number, since it is larger than the sum of its proper divisors (20972254817529).

40387904339031 is a wasteful number, since it uses less digits than its factorization.

40387904339031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692237 (or 692228 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 40387904339031 in words is "forty trillion, three hundred eighty-seven billion, nine hundred four million, three hundred thirty-nine thousand, thirty-one".