40707404031 has 32 divisors (see below), whose sum is σ = 66527101440. Its totient is φ = 21621285504.

The previous prime is 40707403939. The next prime is 40707404041. The reversal of 40707404031 is 13040470704.

It is not a de Polignac number, because 40707404031 - 2¹⁰ = 40707403007 is a prime.

It is a super-2 number, since 2×40707404031² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40707404031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40707404041) 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, 941340 + ... + 983633.

It is an arithmetic number, because the mean of its divisors is an integer number (2078971920).

Almost surely, 2^40707404031 is an apocalyptic number.

40707404031 is a deficient number, since it is larger than the sum of its proper divisors (25819697409).

40707404031 is a wasteful number, since it uses less digits than its factorization.

40707404031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925055.

The product of its (nonzero) digits is 9408, while the sum is 30.

Adding to 40707404031 its reverse (13040470704), we get a palindrome (53747874735).

The spelling of 40707404031 in words is "forty billion, seven hundred seven million, four hundred four thousand, thirty-one".