421572260 has 24 divisors (see below), whose sum is σ = 886697280. Its totient is φ = 168363104.

The previous prime is 421572257. The next prime is 421572269. The reversal of 421572260 is 62275124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (421572269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350 + ... + 29229.

It is an arithmetic number, because the mean of its divisors is an integer number (36945720).

Almost surely, 2^421572260 is an apocalyptic number.

It is an amenable number.

421572260 is an abundant number, since it is smaller than the sum of its proper divisors (465125020).

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

421572260 is a wasteful number, since it uses less digits than its factorization.

421572260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33235 (or 33233 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 421572260 is about 20532.2249159705. The cubic root of 421572260 is about 749.8205555882.

The spelling of 421572260 in words is "four hundred twenty-one million, five hundred seventy-two thousand, two hundred sixty".