404854213122 has 30 divisors (see below), whose sum is σ = 907191476499. Its totient is φ = 134948704860.

The previous prime is 404854213117. The next prime is 404854213129. The reversal of 404854213122 is 221312458404.

404854213122 is a `hidden beast` number, since 4 + 0 + 485 + 42 + 13 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 202427106561 + 202427106561 = 449919^2 + 449919^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=449919.

It is not an unprimeable number, because it can be changed into a prime (404854213129) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 8073547 + ... + 8123537.

Almost surely, 2^404854213122 is an apocalyptic number.

404854213122 is an abundant number, since it is smaller than the sum of its proper divisors (502337263377).

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

404854213122 is an frugal number, since it uses more digits than its factorization.

404854213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99996 (or 49996 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 404854213122 in words is "four hundred four billion, eight hundred fifty-four million, two hundred thirteen thousand, one hundred twenty-two".