404828402 has 64 divisors (see below), whose sum is σ = 723824640. Its totient is φ = 167832000.

The previous prime is 404828399. The next prime is 404828447. The reversal of 404828402 is 204828404.

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 31 ways as a sum of consecutive naturals, for example, 1815263 + ... + 1815485.

It is an arithmetic number, because the mean of its divisors is an integer number (11309760).

Almost surely, 2^404828402 is an apocalyptic number.

404828402 is a deficient number, since it is larger than the sum of its proper divisors (318996238).

404828402 is a wasteful number, since it uses less digits than its factorization.

404828402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 404828402 is about 20120.3479592178. The cubic root of 404828402 is about 739.7591144367.

It can be divided in two parts, 40482 and 8402, that added together give a palindrome (48884).

The spelling of 404828402 in words is "four hundred four million, eight hundred twenty-eight thousand, four hundred two".