45516855888 has 120 divisors (see below), whose sum is σ = 146644774848. Its totient is φ = 12909851136.

The previous prime is 45516855871. The next prime is 45516855941. The reversal of 45516855888 is 88855861554.

It is a happy number.

45516855888 is a `hidden beast` number, since 45 + 5 + 1 + 6 + 8 + 5 + 588 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26706 + ... + 302897.

Almost surely, 2^45516855888 is an apocalyptic number.

45516855888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45516855888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73322387424).

45516855888 is an abundant number, since it is smaller than the sum of its proper divisors (101127918960).

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

45516855888 is a wasteful number, since it uses less digits than its factorization.

45516855888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329761 (or 329752 counting only the distinct ones).

The product of its digits is 61440000, while the sum is 63.

The spelling of 45516855888 in words is "forty-five billion, five hundred sixteen million, eight hundred fifty-five thousand, eight hundred eighty-eight".