442571352 has 16 divisors (see below), whose sum is σ = 1106428440. Its totient is φ = 147523776.

The previous prime is 442571321. The next prime is 442571377. The reversal of 442571352 is 253175244.

It is a super-2 number, since 2×442571352² = 391738803222215808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9220213 + ... + 9220260.

Almost surely, 2^442571352 is an apocalyptic number.

It is an amenable number.

442571352 is an abundant number, since it is smaller than the sum of its proper divisors (663857088).

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

442571352 is a wasteful number, since it uses less digits than its factorization.

442571352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18440482 (or 18440478 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 442571352 is about 21037.3798748799. The cubic root of 442571352 is about 762.0692409577.

The spelling of 442571352 in words is "four hundred forty-two million, five hundred seventy-one thousand, three hundred fifty-two".