402044704 has 24 divisors (see below), whose sum is σ = 817060608. Its totient is φ = 194537280.

The previous prime is 402044683. The next prime is 402044737. The reversal of 402044704 is 407440204.

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 3 ways as a sum of consecutive naturals, for example, 201652 + ... + 203635.

It is an arithmetic number, because the mean of its divisors is an integer number (34044192).

Almost surely, 2^402044704 is an apocalyptic number.

It is an amenable number.

402044704 is an abundant number, since it is smaller than the sum of its proper divisors (415015904).

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

402044704 is a wasteful number, since it uses less digits than its factorization.

402044704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405328 (or 405320 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 402044704 is about 20051.0524412062. The cubic root of 402044704 is about 738.0596255710.

Adding to 402044704 its reverse (407440204), we get a palindrome (809484908).

The spelling of 402044704 in words is "four hundred two million, forty-four thousand, seven hundred four".