400920052480 has 36 divisors (see below), whose sum is σ = 960328816272. Its totient is φ = 160368020480.

The previous prime is 400920052469. The next prime is 400920052583. The reversal of 400920052480 is 84250029004.

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, 156608116 + ... + 156610675.

It is an arithmetic number, because the mean of its divisors is an integer number (26675800452).

Almost surely, 2^400920052480 is an apocalyptic number.

400920052480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400920052480 is an abundant number, since it is smaller than the sum of its proper divisors (559408763792).

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

400920052480 is an equidigital number, since it uses as much as digits as its factorization.

400920052480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313218812 (or 313218798 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 400920052480 in words is "four hundred billion, nine hundred twenty million, fifty-two thousand, four hundred eighty".