7975305444 has 12 divisors (see below), whose sum is σ = 18609046064. Its totient is φ = 2658435144.

The previous prime is 7975305419. The next prime is 7975305449. The reversal of 7975305444 is 4445035797.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 7975305393 and 7975305402.

It is not an unprimeable number, because it can be changed into a prime (7975305449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332304382 + ... + 332304405.

Almost surely, 2^7975305444 is an apocalyptic number.

It is an amenable number.

7975305444 is an abundant number, since it is smaller than the sum of its proper divisors (10633740620).

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

7975305444 is a wasteful number, since it uses less digits than its factorization.

7975305444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664608794 (or 664608792 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The square root of 7975305444 is about 89304.5656391654. The cubic root of 7975305444 is about 1997.9399992603.

The spelling of 7975305444 in words is "seven billion, nine hundred seventy-five million, three hundred five thousand, four hundred forty-four".