400184044008 has 128 divisors (see below), whose sum is σ = 1154391505920. Its totient is φ = 113242705920.

The previous prime is 400184043937. The next prime is 400184044019. The reversal of 400184044008 is 800440481004.

It is a happy number.

400184044008 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 400184044008.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7333063 + ... + 7387433.

It is an arithmetic number, because the mean of its divisors is an integer number (9018683640).

Almost surely, 2^400184044008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400184044008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577195752960).

400184044008 is an abundant number, since it is smaller than the sum of its proper divisors (754207461912).

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

400184044008 is a wasteful number, since it uses less digits than its factorization.

400184044008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54807 (or 54803 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The spelling of 400184044008 in words is "four hundred billion, one hundred eighty-four million, forty-four thousand, eight".