45809277568 has 16 divisors (see below), whose sum is σ = 91260670410. Its totient is φ = 22904638720.

The previous prime is 45809277541. The next prime is 45809277589. The reversal of 45809277568 is 86577290854.

It can be written as a sum of positive squares in only one way, i.e., 38287531584 + 7521745984 = 195672^2 + 86728^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×45809277568² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178942363 + ... + 178942618.

Almost surely, 2^45809277568 is an apocalyptic number.

It is an amenable number.

45809277568 is a deficient number, since it is larger than the sum of its proper divisors (45451392842).

45809277568 is an equidigital number, since it uses as much as digits as its factorization.

45809277568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357884995 (or 357884983 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 61.

The spelling of 45809277568 in words is "forty-five billion, eight hundred nine million, two hundred seventy-seven thousand, five hundred sixty-eight".