7996441644 has 18 divisors (see below), whose sum is σ = 20213227580. Its totient is φ = 2665480536.

The previous prime is 7996441639. The next prime is 7996441667. The reversal of 7996441644 is 4461446997.

7996441644 is a `hidden beast` number, since 79 + 96 + 441 + 6 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111061654 + ... + 111061725.

Almost surely, 2^7996441644 is an apocalyptic number.

It is an amenable number.

7996441644 is an abundant number, since it is smaller than the sum of its proper divisors (12216785936).

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

7996441644 is a wasteful number, since it uses less digits than its factorization.

7996441644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222123389 (or 222123384 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 7996441644 is about 89422.8250727967. The cubic root of 7996441644 is about 1999.7034263575.

The spelling of 7996441644 in words is "seven billion, nine hundred ninety-six million, four hundred forty-one thousand, six hundred forty-four".