45613617648 has 20 divisors (see below), whose sum is σ = 117835179048. Its totient is φ = 15204539200.

The previous prime is 45613617631. The next prime is 45613617659. The reversal of 45613617648 is 84671631654.

It is a super-2 number, since 2×45613617648² (a number of 22 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 45613617648.

It is a congruent number.

It is an unprimeable number.

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, 475141803 + ... + 475141898.

Almost surely, 2^45613617648 is an apocalyptic number.

45613617648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45613617648 is an abundant number, since it is smaller than the sum of its proper divisors (72221561400).

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

45613617648 is a wasteful number, since it uses less digits than its factorization.

45613617648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950283712 (or 950283706 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 45613617648 in words is "forty-five billion, six hundred thirteen million, six hundred seventeen thousand, six hundred forty-eight".