4000408004404 has 12 divisors (see below), whose sum is σ = 8000816008864. Its totient is φ = 1714460573304.

The previous prime is 4000408004393. The next prime is 4000408004413. The reversal of 4000408004404 is 4044008040004.

4000408004404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 142871714443 = 4000408004404 / (4 + 0 + 0 + 0 + 4 + 0 + 8 + 0 + 0 + 4 + 4 + 0 + 4).

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, 71435857194 + ... + 71435857249.

Almost surely, 2^{4000408004404} is an apocalyptic number.

It is an amenable number.

4000408004404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4000408004404 is a wasteful number, since it uses less digits than its factorization.

4000408004404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142871714454 (or 142871714452 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The spelling of 4000408004404 in words is "four trillion, four hundred eight million, four thousand, four hundred four".