400800484880 has 20 divisors (see below), whose sum is σ = 931861127532. Its totient is φ = 160320193920.

The previous prime is 400800484879. The next prime is 400800484919. The reversal of 400800484880 is 88484008004.

It can be written as a sum of positive squares in 2 ways, for example, as 296876778496 + 103923706384 = 544864^2 + 322372^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×400800484880² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505002951 + ... + 2505003110.

Almost surely, 2^400800484880 is an apocalyptic number.

400800484880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400800484880 is an abundant number, since it is smaller than the sum of its proper divisors (531060642652).

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

400800484880 is a wasteful number, since it uses less digits than its factorization.

400800484880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010006074 (or 5010006068 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The spelling of 400800484880 in words is "four hundred billion, eight hundred million, four hundred eighty-four thousand, eight hundred eighty".