444457912 has 32 divisors (see below), whose sum is σ = 883509120. Its totient is φ = 209243520.

The previous prime is 444457903. The next prime is 444457927. The reversal of 444457912 is 219754444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15043 + ... + 33394.

It is an arithmetic number, because the mean of its divisors is an integer number (27609660).

Almost surely, 2^444457912 is an apocalyptic number.

It is an amenable number.

444457912 is a deficient number, since it is larger than the sum of its proper divisors (439051208).

444457912 is a wasteful number, since it uses less digits than its factorization.

444457912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48511 (or 48507 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 444457912 is about 21082.1704764951. The cubic root of 444457912 is about 763.1505365424.

The spelling of 444457912 in words is "four hundred forty-four million, four hundred fifty-seven thousand, nine hundred twelve".