400804214884 has 24 divisors (see below), whose sum is σ = 725618892600. Its totient is φ = 193485008640.

The previous prime is 400804214869. The next prime is 400804214893. The reversal of 400804214884 is 488412408004.

It can be written as a sum of positive squares in 4 ways, for example, as 6761772900 + 394042441984 = 82230^2 + 627728^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 400804214884.

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, 5704882 + ... + 5774710.

It is an arithmetic number, because the mean of its divisors is an integer number (30234120525).

Almost surely, 2^400804214884 is an apocalyptic number.

It is an amenable number.

400804214884 is a deficient number, since it is larger than the sum of its proper divisors (324814677716).

400804214884 is a wasteful number, since it uses less digits than its factorization.

400804214884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119343 (or 119341 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 43.

The spelling of 400804214884 in words is "four hundred billion, eight hundred four million, two hundred fourteen thousand, eight hundred eighty-four".