444664472 has 16 divisors (see below), whose sum is σ = 952852560. Its totient is φ = 190570464.

The previous prime is 444664471. The next prime is 444664477. The reversal of 444664472 is 274466444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444664471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970163 + ... + 3970274.

It is an arithmetic number, because the mean of its divisors is an integer number (59553285).

Almost surely, 2^444664472 is an apocalyptic number.

It is an amenable number.

444664472 is an abundant number, since it is smaller than the sum of its proper divisors (508188088).

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

444664472 is a wasteful number, since it uses less digits than its factorization.

444664472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940450 (or 7940446 counting only the distinct ones).

The product of its digits is 516096, while the sum is 41.

The square root of 444664472 is about 21087.0688337663. The cubic root of 444664472 is about 763.2687419311.

The spelling of 444664472 in words is "four hundred forty-four million, six hundred sixty-four thousand, four hundred seventy-two".