404626455044 has 18 divisors (see below), whose sum is σ = 823703855310. Its totient is φ = 173411337792.

The previous prime is 404626455011. The next prime is 404626455059. The reversal of 404626455044 is 440554626404.

It can be written as a sum of positive squares in only one way, i.e., 380837094400 + 23789360644 = 617120^2 + 154238^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404626454986 and 404626455004.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1032210149 + ... + 1032210540.

It is an arithmetic number, because the mean of its divisors is an integer number (45761325295).

Almost surely, 2^404626455044 is an apocalyptic number.

It is an amenable number.

404626455044 is an abundant number, since it is smaller than the sum of its proper divisors (419077400266).

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

404626455044 is a wasteful number, since it uses less digits than its factorization.

404626455044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064420707 (or 2064420698 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 44.

The spelling of 404626455044 in words is "four hundred four billion, six hundred twenty-six million, four hundred fifty-five thousand, forty-four".