444012408 has 64 divisors (see below), whose sum is σ = 1409568000. Its totient is φ = 126860256.

The previous prime is 444012391. The next prime is 444012421. The reversal of 444012408 is 804210444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145318 + ... + 148341.

It is an arithmetic number, because the mean of its divisors is an integer number (22024500).

Almost surely, 2^444012408 is an apocalyptic number.

It is an amenable number.

444012408 is an abundant number, since it is smaller than the sum of its proper divisors (965555592).

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

444012408 is a wasteful number, since it uses less digits than its factorization.

444012408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293681 (or 293671 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 444012408 is about 21071.6019324588. The cubic root of 444012408 is about 762.8954690648.

The spelling of 444012408 in words is "four hundred forty-four million, twelve thousand, four hundred eight".