402726804 has 48 divisors (see below), whose sum is σ = 996686208. Its totient is φ = 126128128.

The previous prime is 402726773. The next prime is 402726811. The reversal of 402726804 is 408627204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150244 + ... + 152900.

It is an arithmetic number, because the mean of its divisors is an integer number (20764296).

Almost surely, 2^402726804 is an apocalyptic number.

It is an amenable number.

402726804 is an abundant number, since it is smaller than the sum of its proper divisors (593959404).

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

402726804 is a wasteful number, since it uses less digits than its factorization.

402726804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424 (or 3422 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 402726804 is about 20068.0543152544. The cubic root of 402726804 is about 738.4767815330.

The spelling of 402726804 in words is "four hundred two million, seven hundred twenty-six thousand, eight hundred four".