400084888880 has 40 divisors (see below), whose sum is σ = 932297217552. Its totient is φ = 159672690944.

The previous prime is 400084888873. The next prime is 400084888883. The reversal of 400084888880 is 88888480004.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (400084888883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5609099 + ... + 5679978.

Almost surely, 2^400084888880 is an apocalyptic number.

400084888880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400084888880 is an abundant number, since it is smaller than the sum of its proper divisors (532212328672).

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

400084888880 is a wasteful number, since it uses less digits than its factorization.

400084888880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11289533 (or 11289527 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 56.

The spelling of 400084888880 in words is "four hundred billion, eighty-four million, eight hundred eighty-eight thousand, eight hundred eighty".