40024013031 has 8 divisors (see below), whose sum is σ = 59294834160. Its totient is φ = 26682675336.

The previous prime is 40024013009. The next prime is 40024013033. The reversal of 40024013031 is 13031042004.

It is not a de Polignac number, because 40024013031 - 2⁹ = 40024012519 is a prime.

It is a super-2 number, since 2×40024013031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40024012995 and 40024013013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024013033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741185400 + ... + 741185453.

It is an arithmetic number, because the mean of its divisors is an integer number (7411854270).

Almost surely, 2^40024013031 is an apocalyptic number.

40024013031 is a deficient number, since it is larger than the sum of its proper divisors (19270821129).

40024013031 is a wasteful number, since it uses less digits than its factorization.

40024013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482370862 (or 1482370856 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 40024013031 its reverse (13031042004), we get a palindrome (53055055035).

The spelling of 40024013031 in words is "forty billion, twenty-four million, thirteen thousand, thirty-one".