45263778568 has 16 divisors (see below), whose sum is σ = 86064932160. Its totient is φ = 22313130000.

The previous prime is 45263778563. The next prime is 45263778569. The reversal of 45263778568 is 86587736254.

It is a super-2 number, since 2×45263778568² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45263778563) 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, 39844308 + ... + 39845443.

It is an arithmetic number, because the mean of its divisors is an integer number (5379058260).

Almost surely, 2^45263778568 is an apocalyptic number.

It is an amenable number.

45263778568 is a deficient number, since it is larger than the sum of its proper divisors (40801153592).

45263778568 is a wasteful number, since it uses less digits than its factorization.

45263778568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79689828 (or 79689824 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 61.

The spelling of 45263778568 in words is "forty-five billion, two hundred sixty-three million, seven hundred seventy-eight thousand, five hundred sixty-eight".