444904012 has 24 divisors (see below), whose sum is σ = 894335904. Its totient is φ = 189702912.

The previous prime is 444904001. The next prime is 444904013. The reversal of 444904012 is 210409444.

It is a super-2 number, since 2×444904012² = 395879159787392288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (444904013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34813 + ... + 45844.

It is an arithmetic number, because the mean of its divisors is an integer number (37263996).

Almost surely, 2^444904012 is an apocalyptic number.

It is an amenable number.

444904012 is an abundant number, since it is smaller than the sum of its proper divisors (449431892).

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

444904012 is a wasteful number, since it uses less digits than its factorization.

444904012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80865 (or 80863 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 444904012 is about 21092.7478532315. The cubic root of 444904012 is about 763.4057745217.

The spelling of 444904012 in words is "four hundred forty-four million, nine hundred four thousand, twelve".