402553412 has 24 divisors (see below), whose sum is σ = 710586240. Its totient is φ = 199536480.

The previous prime is 402553409. The next prime is 402553423. The reversal of 402553412 is 214355204.

It is a happy 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, 302693 + ... + 304019.

It is an arithmetic number, because the mean of its divisors is an integer number (29607760).

Almost surely, 2^402553412 is an apocalyptic number.

It is an amenable number.

402553412 is a deficient number, since it is larger than the sum of its proper divisors (308032828).

402553412 is a wasteful number, since it uses less digits than its factorization.

402553412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 402553412 is about 20063.7337502270. The cubic root of 402553412 is about 738.3707838312.

The spelling of 402553412 in words is "four hundred two million, five hundred fifty-three thousand, four hundred twelve".