40224313432 has 32 divisors (see below), whose sum is σ = 81079257600. Its totient is φ = 18648222624.

The previous prime is 40224313403. The next prime is 40224313453. The reversal of 40224313432 is 23431342204.

It is a self number, because there is not a number n which added to its sum of digits gives 40224313432.

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, 2808108 + ... + 2822395.

It is an arithmetic number, because the mean of its divisors is an integer number (2533726800).

Almost surely, 2^40224313432 is an apocalyptic number.

It is an amenable number.

40224313432 is an abundant number, since it is smaller than the sum of its proper divisors (40854944168).

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

40224313432 is a wasteful number, since it uses less digits than its factorization.

40224313432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630575 (or 5630571 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40224313432 its reverse (23431342204), we get a palindrome (63655655636).

The spelling of 40224313432 in words is "forty billion, two hundred twenty-four million, three hundred thirteen thousand, four hundred thirty-two".