421285160 has 32 divisors (see below), whose sum is σ = 1003651560. Its totient is φ = 158601216.

The previous prime is 421285129. The next prime is 421285199. The reversal of 421285160 is 61582124.

It can be written as a sum of positive squares in 4 ways, for example, as 387853636 + 33431524 = 19694^2 + 5782^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309089 + ... + 310448.

Almost surely, 2^421285160 is an apocalyptic number.

421285160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421285160 is an abundant number, since it is smaller than the sum of its proper divisors (582366400).

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

421285160 is a wasteful number, since it uses less digits than its factorization.

421285160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619565 (or 619561 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 421285160 is about 20525.2322763958. The cubic root of 421285160 is about 749.6503021591.

The spelling of 421285160 in words is "four hundred twenty-one million, two hundred eighty-five thousand, one hundred sixty".