404788080500 has 24 divisors (see below), whose sum is σ = 884057168904. Its totient is φ = 161915232000.

The previous prime is 404788080479. The next prime is 404788080563. The reversal of 404788080500 is 5080887404.

It can be written as a sum of positive squares in 4 ways, for example, as 7935959056 + 396852121444 = 89084^2 + 629962^2 .

It is a super-2 number, since 2×404788080500² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404787581 + ... + 404788580.

It is an arithmetic number, because the mean of its divisors is an integer number (36835715371).

Almost surely, 2^404788080500 is an apocalyptic number.

It is an amenable number.

404788080500 is an abundant number, since it is smaller than the sum of its proper divisors (479269088404).

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

404788080500 is a wasteful number, since it uses less digits than its factorization.

404788080500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809576180 (or 809576168 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The spelling of 404788080500 in words is "four hundred four billion, seven hundred eighty-eight million, eighty thousand, five hundred".