7985444448 has 24 divisors (see below), whose sum is σ = 20961791928. Its totient is φ = 2661814784.

The previous prime is 7985444443. The next prime is 7985444471. The reversal of 7985444448 is 8444445897.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7985444443) 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, 41590761 + ... + 41590952.

It is an arithmetic number, because the mean of its divisors is an integer number (873407997).

Almost surely, 2^7985444448 is an apocalyptic number.

It is an amenable number.

7985444448 is an abundant number, since it is smaller than the sum of its proper divisors (12976347480).

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

7985444448 is a wasteful number, since it uses less digits than its factorization.

7985444448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83181726 (or 83181718 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 57.

The square root of 7985444448 is about 89361.3140458442. The cubic root of 7985444448 is about 1998.7863009496.

The spelling of 7985444448 in words is "seven billion, nine hundred eighty-five million, four hundred forty-four thousand, four hundred forty-eight".