444396565744 has 20 divisors (see below), whose sum is σ = 861740108496. Its totient is φ = 222012021632.

The previous prime is 444396565733. The next prime is 444396565747. The reversal of 444396565744 is 447565693444.

It is a super-2 number, since 2×444396565744² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444396565747) 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, 11621644 + ... + 11659819.

Almost surely, 2^444396565744 is an apocalyptic number.

It is an amenable number.

444396565744 is a deficient number, since it is larger than the sum of its proper divisors (417343542752).

444396565744 is a wasteful number, since it uses less digits than its factorization.

444396565744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23282664 (or 23282658 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 61.

The spelling of 444396565744 in words is "four hundred forty-four billion, three hundred ninety-six million, five hundred sixty-five thousand, seven hundred forty-four".