400880208884 has 24 divisors (see below), whose sum is σ = 708075231360. Its totient is φ = 198574637184.

The previous prime is 400880208847. The next prime is 400880208959. The reversal of 400880208884 is 488802088004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781397 + ... + 1188419.

It is an arithmetic number, because the mean of its divisors is an integer number (29503134640).

Almost surely, 2^400880208884 is an apocalyptic number.

It is an amenable number.

400880208884 is a deficient number, since it is larger than the sum of its proper divisors (307195022476).

400880208884 is a wasteful number, since it uses less digits than its factorization.

400880208884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409319 (or 409317 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 50.

The spelling of 400880208884 in words is "four hundred billion, eight hundred eighty million, two hundred eight thousand, eight hundred eighty-four".