402400606 has 16 divisors (see below), whose sum is σ = 611211744. Its totient is φ = 198674784.

The previous prime is 402400547. The next prime is 402400619. The reversal of 402400606 is 606004204.

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, 74220 + ... + 79456.

It is an arithmetic number, because the mean of its divisors is an integer number (38200734).

Almost surely, 2^402400606 is an apocalyptic number.

402400606 is a deficient number, since it is larger than the sum of its proper divisors (208811138).

402400606 is a wasteful number, since it uses less digits than its factorization.

402400606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 402400606 is about 20059.9253737396. The cubic root of 402400606 is about 738.2773454933.

The spelling of 402400606 in words is "four hundred two million, four hundred thousand, six hundred six".