444789656 has 8 divisors (see below), whose sum is σ = 833980620. Its totient is φ = 222394824.

The previous prime is 444789647. The next prime is 444789659. The reversal of 444789656 is 656987444.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 444789598 and 444789607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444789659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27799346 + ... + 27799361.

Almost surely, 2^444789656 is an apocalyptic number.

It is an amenable number.

444789656 is a deficient number, since it is larger than the sum of its proper divisors (389190964).

444789656 is a wasteful number, since it uses less digits than its factorization.

444789656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55598713 (or 55598709 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The square root of 444789656 is about 21090.0368894888. The cubic root of 444789656 is about 763.3403615268.

The spelling of 444789656 in words is "four hundred forty-four million, seven hundred eighty-nine thousand, six hundred fifty-six".