402551036 has 24 divisors (see below), whose sum is σ = 722050560. Its totient is φ = 196266672.

The previous prime is 402551029. The next prime is 402551053. The reversal of 402551036 is 630155204.

It is a junction number, because it is equal to n+sod(n) for n = 402550996 and 402551014.

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, 125525 + ... + 128691.

It is an arithmetic number, because the mean of its divisors is an integer number (30085440).

Almost surely, 2^402551036 is an apocalyptic number.

It is an amenable number.

402551036 is a deficient number, since it is larger than the sum of its proper divisors (319499524).

402551036 is a wasteful number, since it uses less digits than its factorization.

402551036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3951 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 402551036 is about 20063.6745388276. The cubic root of 402551036 is about 738.3693311275.

The spelling of 402551036 in words is "four hundred two million, five hundred fifty-one thousand, thirty-six".