40402530231 has 16 divisors (see below), whose sum is σ = 61766310144. Its totient is φ = 23011953984.

The previous prime is 40402530199. The next prime is 40402530251. The reversal of 40402530231 is 13203520404.

It is not a de Polignac number, because 40402530231 - 2⁵ = 40402530199 is a prime.

It is a super-2 number, since 2×40402530231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40402530251) 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, 3126990 + ... + 3139883.

It is an arithmetic number, because the mean of its divisors is an integer number (3860394384).

Almost surely, 2^40402530231 is an apocalyptic number.

40402530231 is a deficient number, since it is larger than the sum of its proper divisors (21363779913).

40402530231 is a wasteful number, since it uses less digits than its factorization.

40402530231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267190.

The product of its (nonzero) digits is 2880, while the sum is 24.

The spelling of 40402530231 in words is "forty billion, four hundred two million, five hundred thirty thousand, two hundred thirty-one".