442570572 has 36 divisors (see below), whose sum is σ = 1177601880. Its totient is φ = 139758912.

The previous prime is 442570549. The next prime is 442570621. The reversal of 442570572 is 275075244.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×442570572² = 391737422400814368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322833 + ... + 324200.

Almost surely, 2^442570572 is an apocalyptic number.

It is an amenable number.

442570572 is an abundant number, since it is smaller than the sum of its proper divisors (735031308).

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

442570572 is a wasteful number, since it uses less digits than its factorization.

442570572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647062 (or 647057 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 442570572 is about 21037.3613364414. The cubic root of 442570572 is about 762.0687932601.

The spelling of 442570572 in words is "four hundred forty-two million, five hundred seventy thousand, five hundred seventy-two".