421770314028 has 48 divisors (see below), whose sum is σ = 1163504321280. Its totient is φ = 116350430784.

The previous prime is 421770314011. The next prime is 421770314033. The reversal of 421770314028 is 820413077124.

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, 86567826 + ... + 86572697.

It is an arithmetic number, because the mean of its divisors is an integer number (24239673360).

Almost surely, 2^421770314028 is an apocalyptic number.

It is an amenable number.

421770314028 is an abundant number, since it is smaller than the sum of its proper divisors (741734007252).

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

421770314028 is a wasteful number, since it uses less digits than its factorization.

421770314028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173140566 (or 173140564 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 421770314028 in words is "four hundred twenty-one billion, seven hundred seventy million, three hundred fourteen thousand, twenty-eight".