404797774908 has 24 divisors (see below), whose sum is σ = 951422511312. Its totient is φ = 133947681664.

The previous prime is 404797774903. The next prime is 404797774919. The reversal of 404797774908 is 809477797404.

It is a super-2 number, since 2×404797774908² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404797774903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123112035 + ... + 123115322.

It is an arithmetic number, because the mean of its divisors is an integer number (39642604638).

Almost surely, 2^404797774908 is an apocalyptic number.

It is an amenable number.

404797774908 is an abundant number, since it is smaller than the sum of its proper divisors (546624736404).

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

404797774908 is a wasteful number, since it uses less digits than its factorization.

404797774908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246227501 (or 246227499 counting only the distinct ones).

The product of its (nonzero) digits is 99574272, while the sum is 66.

The spelling of 404797774908 in words is "four hundred four billion, seven hundred ninety-seven million, seven hundred seventy-four thousand, nine hundred eight".