45505353868 has 48 divisors (see below), whose sum is σ = 86402907360. Its totient is φ = 20845569024.

The previous prime is 45505353853. The next prime is 45505353869. The reversal of 45505353868 is 86835350554.

It is a super-2 number, since 2×45505353868² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (45505353869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4430523 + ... + 4440781.

It is an arithmetic number, because the mean of its divisors is an integer number (1800060570).

Almost surely, 2^45505353868 is an apocalyptic number.

It is an amenable number.

45505353868 is a deficient number, since it is larger than the sum of its proper divisors (40897553492).

45505353868 is a wasteful number, since it uses less digits than its factorization.

45505353868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10906 (or 10904 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 52.

The spelling of 45505353868 in words is "forty-five billion, five hundred five million, three hundred fifty-three thousand, eight hundred sixty-eight".