400804044404 has 6 divisors (see below), whose sum is σ = 701407077714. Its totient is φ = 200402022200.

The previous prime is 400804044397. The next prime is 400804044457. The reversal of 400804044404 is 404440408004.

It can be written as a sum of positive squares in only one way, i.e., 366375984100 + 34428060304 = 605290^2 + 185548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100505547 + ... + 50100505554.

It is an arithmetic number, because the mean of its divisors is an integer number (116901179619).

Almost surely, 2^400804044404 is an apocalyptic number.

It is an amenable number.

400804044404 is a deficient number, since it is larger than the sum of its proper divisors (300603033310).

400804044404 is a wasteful number, since it uses less digits than its factorization.

400804044404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100201011105 (or 100201011103 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The spelling of 400804044404 in words is "four hundred billion, eight hundred four million, forty-four thousand, four hundred four".