8081364744 has 48 divisors (see below), whose sum is σ = 22007987820. Its totient is φ = 2678901120.

The previous prime is 8081364719. The next prime is 8081364751. The reversal of 8081364744 is 4474631808.

It can be written as a sum of positive squares in 2 ways, for example, as 5877062244 + 2204302500 = 76662^2 + 46950^2 .

It is a super-2 number, since 2×8081364744² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8081364744.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297027 + ... + 323090.

Almost surely, 2^8081364744 is an apocalyptic number.

It is an amenable number.

8081364744 is an abundant number, since it is smaller than the sum of its proper divisors (13926623076).

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

8081364744 is a wasteful number, since it uses less digits than its factorization.

8081364744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620310 (or 620303 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 8081364744 is about 89896.4111853193. The cubic root of 8081364744 is about 2006.7575374622.

The spelling of 8081364744 in words is "eight billion, eighty-one million, three hundred sixty-four thousand, seven hundred forty-four".