400888448404 has 6 divisors (see below), whose sum is σ = 701554784714. Its totient is φ = 200444224200.

The previous prime is 400888448369. The next prime is 400888448483. The reversal of 400888448404 is 404844888004.

It can be written as a sum of positive squares in only one way, i.e., 377607792004 + 23280656400 = 614498^2 + 152580^2 .

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, 50111056047 + ... + 50111056054.

Almost surely, 2^400888448404 is an apocalyptic number.

It is an amenable number.

400888448404 is a deficient number, since it is larger than the sum of its proper divisors (300666336310).

400888448404 is a wasteful number, since it uses less digits than its factorization.

400888448404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100222112105 (or 100222112103 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 52.

The spelling of 400888448404 in words is "four hundred billion, eight hundred eighty-eight million, four hundred forty-eight thousand, four hundred four".