404725020 has 96 divisors (see below), whose sum is σ = 1351461888. Its totient is φ = 88484352.

The previous prime is 404725019. The next prime is 404725051. The reversal of 404725020 is 20527404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11289 + ... + 30608.

It is an arithmetic number, because the mean of its divisors is an integer number (14077728).

Almost surely, 2^404725020 is an apocalyptic number.

It is an amenable number.

404725020 is an abundant number, since it is smaller than the sum of its proper divisors (946736868).

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

404725020 is a wasteful number, since it uses less digits than its factorization.

404725020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41939 (or 41937 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 404725020 is about 20117.7787044196. The cubic root of 404725020 is about 739.6961377224.

The spelling of 404725020 in words is "four hundred four million, seven hundred twenty-five thousand, twenty".