404440400704 has 56 divisors (see below), whose sum is σ = 838014242688. Its totient is φ = 193298941440.

The previous prime is 404440400669. The next prime is 404440400711. The reversal of 404440400704 is 407004044404.

It is a super-2 number, since 2×404440400704² (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, 2133274 + ... + 2315110.

It is an arithmetic number, because the mean of its divisors is an integer number (14964540048).

Almost surely, 2^404440400704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404440400704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419007121344).

404440400704 is an abundant number, since it is smaller than the sum of its proper divisors (433573841984).

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

404440400704 is a wasteful number, since it uses less digits than its factorization.

404440400704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183383 (or 183373 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 31.

The spelling of 404440400704 in words is "four hundred four billion, four hundred forty million, four hundred thousand, seven hundred four".