444457052 has 12 divisors (see below), whose sum is σ = 837630696. Its totient is φ = 205134000.

The previous prime is 444457049. The next prime is 444457121. The reversal of 444457052 is 250754444.

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 3 ways as a sum of consecutive naturals, for example, 4273574 + ... + 4273677.

It is an arithmetic number, because the mean of its divisors is an integer number (69802558).

Almost surely, 2^444457052 is an apocalyptic number.

It is an amenable number.

444457052 is a deficient number, since it is larger than the sum of its proper divisors (393173644).

444457052 is a wasteful number, since it uses less digits than its factorization.

444457052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547268 (or 8547266 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 35.

The square root of 444457052 is about 21082.1500801033. The cubic root of 444457052 is about 763.1500443249.

The spelling of 444457052 in words is "four hundred forty-four million, four hundred fifty-seven thousand, fifty-two".