9018648880 has 20 divisors (see below), whose sum is σ = 20968358832. Its totient is φ = 3607459520.

The previous prime is 9018648857. The next prime is 9018648893. The reversal of 9018648880 is 888468109.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56366476 + ... + 56366635.

Almost surely, 2^9018648880 is an apocalyptic number.

It is an amenable number.

9018648880 is an abundant number, since it is smaller than the sum of its proper divisors (11949709952).

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

9018648880 is a wasteful number, since it uses less digits than its factorization.

9018648880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112733124 (or 112733118 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 52.

The square root of 9018648880 is about 94966.5671697150. The cubic root of 9018648880 is about 2081.5195442123.

The spelling of 9018648880 in words is "nine billion, eighteen million, six hundred forty-eight thousand, eight hundred eighty".