45168933988 has 12 divisors (see below), whose sum is σ = 79063165692. Its totient is φ = 22579458080.

The previous prime is 45168933983. The next prime is 45168933991. The reversal of 45168933988 is 88933986154.

It can be written as a sum of positive squares in 2 ways, for example, as 9477411904 + 35691522084 = 97352^2 + 188922^2 .

It is a super-2 number, since 2×45168933988² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45168933983) 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, 1231903 + ... + 1268038.

It is an arithmetic number, because the mean of its divisors is an integer number (6588597141).

Almost surely, 2^45168933988 is an apocalyptic number.

It is an amenable number.

45168933988 is a deficient number, since it is larger than the sum of its proper divisors (33894231704).

45168933988 is a wasteful number, since it uses less digits than its factorization.

45168933988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504462 (or 2504460 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 64.

The spelling of 45168933988 in words is "forty-five billion, one hundred sixty-eight million, nine hundred thirty-three thousand, nine hundred eighty-eight".