402429331632 has 40 divisors (see below), whose sum is σ = 1064965431600. Its totient is φ = 130871326720.

The previous prime is 402429331609. The next prime is 402429331657. The reversal of 402429331632 is 236133924204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102241257 + ... + 102245192.

It is an arithmetic number, because the mean of its divisors is an integer number (26624135790).

Almost surely, 2^402429331632 is an apocalyptic number.

It is an amenable number.

402429331632 is an abundant number, since it is smaller than the sum of its proper divisors (662536099968).

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

402429331632 is a wasteful number, since it uses less digits than its factorization.

402429331632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204486501 (or 204486495 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 402429331632 in words is "four hundred two billion, four hundred twenty-nine million, three hundred thirty-one thousand, six hundred thirty-two".