40232531502 has 48 divisors (see below), whose sum is σ = 92704444560. Its totient is φ = 12574020096.

The previous prime is 40232531501. The next prime is 40232531509. The reversal of 40232531502 is 20513523204.

It is a happy number.

40232531502 is a `hidden beast` number, since 402 + 3 + 253 + 1 + 5 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232531501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 573213 + ... + 639560.

It is an arithmetic number, because the mean of its divisors is an integer number (1931342595).

Almost surely, 2^40232531502 is an apocalyptic number.

40232531502 is an abundant number, since it is smaller than the sum of its proper divisors (52471913058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40232531502 is a wasteful number, since it uses less digits than its factorization.

40232531502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212897 (or 1212894 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 40232531502 in words is "forty billion, two hundred thirty-two million, five hundred thirty-one thousand, five hundred two".