444417137663652 has 36 divisors (see below), whose sum is σ = 1182513436475280. Its totient is φ = 140342253998832.

The previous prime is 444417137663651. The next prime is 444417137663677. The reversal of 444417137663652 is 256366731714444.

It is a happy number.

444417137663652 is a `hidden beast` number, since 4 + 4 + 4 + 417 + 137 + 6 + 6 + 36 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 444417137663652.

It is not an unprimeable number, because it can be changed into a prime (444417137663651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324866328018 + ... + 324866329385.

Almost surely, 2^{444417137663652} is an apocalyptic number.

It is an amenable number.

444417137663652 is an abundant number, since it is smaller than the sum of its proper divisors (738096298811628).

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

444417137663652 is a wasteful number, since it uses less digits than its factorization.

444417137663652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649732657432 (or 649732657427 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 63.

The spelling of 444417137663652 in words is "four hundred forty-four trillion, four hundred seventeen billion, one hundred thirty-seven million, six hundred sixty-three thousand, six hundred fifty-two".