402280804 has 6 divisors (see below), whose sum is σ = 703991414. Its totient is φ = 201140400.

The previous prime is 402280751. The next prime is 402280859. The reversal of 402280804 is 408082204.

It can be written as a sum of positive squares in only one way, i.e., 395930404 + 6350400 = 19898^2 + 2520^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50285097 + ... + 50285104.

Almost surely, 2^402280804 is an apocalyptic number.

It is an amenable number.

402280804 is a deficient number, since it is larger than the sum of its proper divisors (301710610).

402280804 is a wasteful number, since it uses less digits than its factorization.

402280804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100570205 (or 100570203 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 402280804 is about 20056.9390486186. The cubic root of 402280804 is about 738.2040720107.

The spelling of 402280804 in words is "four hundred two million, two hundred eighty thousand, eight hundred four".