40631062464431 has 16 divisors (see below), whose sum is σ = 42162541782816. Its totient is φ = 39122451449856.

The previous prime is 40631062464389. The next prime is 40631062464449. The reversal of 40631062464431 is 13446426013604.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40631062464431 is a prime.

It is a super-2 number, since 2×40631062464431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40631062464491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48491915 + ... + 49322691.

It is an arithmetic number, because the mean of its divisors is an integer number (2635158861426).

Almost surely, 2^{40631062464431} is an apocalyptic number.

40631062464431 is a deficient number, since it is larger than the sum of its proper divisors (1531479318385).

40631062464431 is a wasteful number, since it uses less digits than its factorization.

40631062464431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844538.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 40631062464431 in words is "forty trillion, six hundred thirty-one billion, sixty-two million, four hundred sixty-four thousand, four hundred thirty-one".