404444012 has 12 divisors (see below), whose sum is σ = 808888080. Its totient is φ = 173333136.

The previous prime is 404443981. The next prime is 404444021. The reversal of 404444012 is 210444404.

404444012 is an admirable number.

It is a super-2 number, since 2×404444012² = 327149917685312288, which contains 22 as substring.

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, 7222187 + ... + 7222242.

It is an arithmetic number, because the mean of its divisors is an integer number (67407340).

Almost surely, 2^404444012 is an apocalyptic number.

It is an amenable number.

404444012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

404444012 is a wasteful number, since it uses less digits than its factorization.

404444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14444440 (or 14444438 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 404444012 is about 20110.7934204496. The cubic root of 404444012 is about 739.5249032235.

Adding to 404444012 its reverse (210444404), we get a palindrome (614888416).

The spelling of 404444012 in words is "four hundred four million, four hundred forty-four thousand, twelve".