444218572 has 48 divisors (see below), whose sum is σ = 899458560. Its totient is φ = 188036352.

The previous prime is 444218543. The next prime is 444218627. The reversal of 444218572 is 275812444.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317988 + ... + 1318324.

It is an arithmetic number, because the mean of its divisors is an integer number (18738720).

Almost surely, 2^444218572 is an apocalyptic number.

It is an amenable number.

444218572 is an abundant number, since it is smaller than the sum of its proper divisors (455239988).

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

444218572 is a wasteful number, since it uses less digits than its factorization.

444218572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 788 counting only the distinct ones).

The product of its digits is 71680, while the sum is 37.

The square root of 444218572 is about 21076.4933515991. The cubic root of 444218572 is about 763.0135267601.

The spelling of 444218572 in words is "four hundred forty-four million, two hundred eighteen thousand, five hundred seventy-two".