45019620018 has 48 divisors (see below), whose sum is σ = 102198139680. Its totient is φ = 14851817856.

The previous prime is 45019619999. The next prime is 45019620067. The reversal of 45019620018 is 81002691054.

45019620018 is a `hidden beast` number, since 4 + 5 + 0 + 19 + 620 + 0 + 18 = 666.

45019620018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 430348 + ... + 524631.

It is an arithmetic number, because the mean of its divisors is an integer number (2129127910).

Almost surely, 2^45019620018 is an apocalyptic number.

45019620018 is an abundant number, since it is smaller than the sum of its proper divisors (57178519662).

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

45019620018 is an equidigital number, since it uses as much as digits as its factorization.

45019620018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955093 (or 955081 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 45019620018 in words is "forty-five billion, nineteen million, six hundred twenty thousand, eighteen".