404616621458 has 16 divisors (see below), whose sum is σ = 699766801920. Its totient is φ = 171872546496.

The previous prime is 404616621433. The next prime is 404616621491. The reversal of 404616621458 is 854126616404.

It is a super-2 number, since 2×404616621458² (a number of 24 digits) contains 22 as substring.

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, 127879778 + ... + 127882941.

It is an arithmetic number, because the mean of its divisors is an integer number (43735425120).

Almost surely, 2^404616621458 is an apocalyptic number.

404616621458 is a deficient number, since it is larger than the sum of its proper divisors (295150180462).

404616621458 is a wasteful number, since it uses less digits than its factorization.

404616621458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255762841.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 404616621458 in words is "four hundred four billion, six hundred sixteen million, six hundred twenty-one thousand, four hundred fifty-eight".