444489852 has 48 divisors (see below), whose sum is σ = 1054771200. Its totient is φ = 145664640.

The previous prime is 444489847. The next prime is 444489863. The reversal of 444489852 is 258984444.

It is a happy number.

It is a congruent number.

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, 202899 + ... + 205077.

It is an arithmetic number, because the mean of its divisors is an integer number (21974400).

Almost surely, 2^444489852 is an apocalyptic number.

It is an amenable number.

444489852 is an abundant number, since it is smaller than the sum of its proper divisors (610281348).

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

444489852 is a wasteful number, since it uses less digits than its factorization.

444489852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466 (or 2464 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 48.

The square root of 444489852 is about 21082.9279750228. The cubic root of 444489852 is about 763.1688168216.

The spelling of 444489852 in words is "four hundred forty-four million, four hundred eighty-nine thousand, eight hundred fifty-two".