40243232037231 has 20 divisors (see below), whose sum is σ = 60519899055000. Its totient is φ = 26648762146416.

The previous prime is 40243232037199. The next prime is 40243232037233. The reversal of 40243232037231 is 13273023234204.

40243232037231 is a `hidden beast` number, since 4 + 0 + 24 + 3 + 232 + 0 + 372 + 31 = 666.

It is not a de Polignac number, because 40243232037231 - 2⁵ = 40243232037199 is a prime.

It is a super-2 number, since 2×40243232037231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243232037233) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1667202781 + ... + 1667226918.

It is an arithmetic number, because the mean of its divisors is an integer number (3025994952750).

Almost surely, 2^{40243232037231} is an apocalyptic number.

40243232037231 is a deficient number, since it is larger than the sum of its proper divisors (20276667017769).

40243232037231 is a wasteful number, since it uses less digits than its factorization.

40243232037231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334429860 (or 3334429851 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 36.

The spelling of 40243232037231 in words is "forty trillion, two hundred forty-three billion, two hundred thirty-two million, thirty-seven thousand, two hundred thirty-one".