420875839180 has 12 divisors (see below), whose sum is σ = 883839262320. Its totient is φ = 168350335664.

The previous prime is 420875839177. The next prime is 420875839193. The reversal of 420875839180 is 81938578024.

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, 10521895960 + ... + 10521895999.

It is an arithmetic number, because the mean of its divisors is an integer number (73653271860).

Almost surely, 2^420875839180 is an apocalyptic number.

It is an amenable number.

420875839180 is an abundant number, since it is smaller than the sum of its proper divisors (462963423140).

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

420875839180 is a wasteful number, since it uses less digits than its factorization.

420875839180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21043791968 (or 21043791966 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 420875839180 in words is "four hundred twenty billion, eight hundred seventy-five million, eight hundred thirty-nine thousand, one hundred eighty".