421732542180 has 48 divisors (see below), whose sum is σ = 1180912449024. Its totient is φ = 112456170240.

The previous prime is 421732542167. The next prime is 421732542197. The reversal of 421732542180 is 81245237124.

It is a happy number.

421732542180 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051245 + ... + 1395915.

It is an arithmetic number, because the mean of its divisors is an integer number (24602342688).

Almost surely, 2^421732542180 is an apocalyptic number.

It is an amenable number.

421732542180 is an abundant number, since it is smaller than the sum of its proper divisors (759179906844).

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

421732542180 is a wasteful number, since it uses less digits than its factorization.

421732542180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365076 (or 365074 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 421732542180 in words is "four hundred twenty-one billion, seven hundred thirty-two million, five hundred forty-two thousand, one hundred eighty".