400480884444 has 48 divisors (see below), whose sum is σ = 939366892800. Its totient is φ = 132792295680.

The previous prime is 400480884443. The next prime is 400480884473. The reversal of 400480884444 is 444488084004.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 400480884393 and 400480884402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400480884443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11930404 + ... + 11963924.

It is an arithmetic number, because the mean of its divisors is an integer number (19570143600).

Almost surely, 2^400480884444 is an apocalyptic number.

It is an amenable number.

400480884444 is an abundant number, since it is smaller than the sum of its proper divisors (538886008356).

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

400480884444 is a wasteful number, since it uses less digits than its factorization.

400480884444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38730 (or 38728 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 48.

The spelling of 400480884444 in words is "four hundred billion, four hundred eighty million, eight hundred eighty-four thousand, four hundred forty-four".