45169219080 has 224 divisors, whose sum is σ = 160398187200. Its totient is φ = 11411031168.

The previous prime is 45169219037. The next prime is 45169219153. The reversal of 45169219080 is 8091296154.

45169219080 is a `hidden beast` number, since 451 + 6 + 9 + 2 + 190 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 513277 + ... + 594803.

Almost surely, 2^45169219080 is an apocalyptic number.

45169219080 is a gapful number since it is divisible by the number (40) 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 45169219080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80199093600).

45169219080 is an abundant number, since it is smaller than the sum of its proper divisors (115228968120).

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

45169219080 is a wasteful number, since it uses less digits than its factorization.

45169219080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81575 (or 81556 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 45169219080 in words is "forty-five billion, one hundred sixty-nine million, two hundred nineteen thousand, eighty".