40872573231 has 16 divisors (see below), whose sum is σ = 63457150464. Its totient is φ = 22915080864.

The previous prime is 40872573173. The next prime is 40872573239. The reversal of 40872573231 is 13237527804.

It is a happy number.

40872573231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40872573231 - 2³¹ = 38725089583 is a prime.

It is a super-2 number, since 2×40872573231² (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 (40872573239) 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, 18360331 + ... + 18362556.

It is an arithmetic number, because the mean of its divisors is an integer number (3966071904).

Almost surely, 2^40872573231 is an apocalyptic number.

40872573231 is a deficient number, since it is larger than the sum of its proper divisors (22584577233).

40872573231 is a wasteful number, since it uses less digits than its factorization.

40872573231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36722950.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 40872573231 in words is "forty billion, eight hundred seventy-two million, five hundred seventy-three thousand, two hundred thirty-one".