40303131232 has 48 divisors (see below), whose sum is σ = 97657594272. Its totient is φ = 15944094720.

The previous prime is 40303131179. The next prime is 40303131269. The reversal of 40303131232 is 23213130304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6917269 + ... + 6923092.

It is an arithmetic number, because the mean of its divisors is an integer number (2034533214).

Almost surely, 2^40303131232 is an apocalyptic number.

It is an amenable number.

40303131232 is an abundant number, since it is smaller than the sum of its proper divisors (57354463040).

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

40303131232 is a wasteful number, since it uses less digits than its factorization.

40303131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13840391 (or 13840383 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 40303131232 its reverse (23213130304), we get a palindrome (63516261536).

The spelling of 40303131232 in words is "forty billion, three hundred three million, one hundred thirty-one thousand, two hundred thirty-two".