404022004 has 24 divisors (see below), whose sum is σ = 754456640. Its totient is φ = 188754624.

The previous prime is 404021999. The next prime is 404022041. The reversal of 404022004 is 400220404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30864 + ... + 41959.

Almost surely, 2^404022004 is an apocalyptic number.

It is an amenable number.

404022004 is a deficient number, since it is larger than the sum of its proper divisors (350434636).

404022004 is a wasteful number, since it uses less digits than its factorization.

404022004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72919 (or 72917 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 404022004 is about 20100.2986047471. The cubic root of 404022004 is about 739.2676001727.

Adding to 404022004 its reverse (400220404), we get a palindrome (804242408).

The spelling of 404022004 in words is "four hundred four million, twenty-two thousand, four".