40963509631 has 32 divisors (see below), whose sum is σ = 46703494656. Its totient is φ = 35603712000.

The previous prime is 40963509623. The next prime is 40963509641. The reversal of 40963509631 is 13690536904.

It is a cyclic number.

It is not a de Polignac number, because 40963509631 - 2³ = 40963509623 is a prime.

It is a super-2 number, since 2×40963509631² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40963509641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4501396 + ... + 4510486.

It is an arithmetic number, because the mean of its divisors is an integer number (1459484208).

Almost surely, 2^40963509631 is an apocalyptic number.

40963509631 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40963509631 is a deficient number, since it is larger than the sum of its proper divisors (5739985025).

40963509631 is a wasteful number, since it uses less digits than its factorization.

40963509631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9343.

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 40963509631 in words is "forty billion, nine hundred sixty-three million, five hundred nine thousand, six hundred thirty-one".