440440400404 has 12 divisors (see below), whose sum is σ = 770813362228. Its totient is φ = 220208011200.

The previous prime is 440440400359. The next prime is 440440400437. The reversal of 440440400404 is 404004044044.

It can be written as a sum of positive squares in 2 ways, for example, as 93790287504 + 346650112900 = 306252^2 + 588770^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2965707 + ... + 3110674.

Almost surely, 2^440440400404 is an apocalyptic number.

It is an amenable number.

440440400404 is a deficient number, since it is larger than the sum of its proper divisors (330372961824).

440440400404 is a wasteful number, since it uses less digits than its factorization.

440440400404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094506 (or 6094504 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440440400404 its reverse (404004044044), we get a palindrome (844444444448).

The spelling of 440440400404 in words is "four hundred forty billion, four hundred forty million, four hundred thousand, four hundred four".