402155632 has 10 divisors (see below), whose sum is σ = 779176568. Its totient is φ = 201077808.

The previous prime is 402155629. The next prime is 402155647. The reversal of 402155632 is 236551204.

It is a self number, because there is not a number n which added to its sum of digits gives 402155632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12567348 + ... + 12567379.

Almost surely, 2^402155632 is an apocalyptic number.

It is an amenable number.

402155632 is a deficient number, since it is larger than the sum of its proper divisors (377020936).

402155632 is a wasteful number, since it uses less digits than its factorization.

402155632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25134735 (or 25134729 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 402155632 is about 20053.8183895237. The cubic root of 402155632 is about 738.1274985785.

The spelling of 402155632 in words is "four hundred two million, one hundred fifty-five thousand, six hundred thirty-two".