442001572 has 12 divisors (see below), whose sum is σ = 778135680. Its totient is φ = 219677096.

The previous prime is 442001563. The next prime is 442001587. The reversal of 442001572 is 275100244.

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, 330172 + ... + 331507.

It is an arithmetic number, because the mean of its divisors is an integer number (64844640).

Almost surely, 2^442001572 is an apocalyptic number.

It is an amenable number.

442001572 is a deficient number, since it is larger than the sum of its proper divisors (336134108).

442001572 is a wasteful number, since it uses less digits than its factorization.

442001572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661850 (or 661848 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 442001572 is about 21023.8334278028. The cubic root of 442001572 is about 761.7420633679.

The spelling of 442001572 in words is "four hundred forty-two million, one thousand, five hundred seventy-two".