18099854080 has 288 divisors, whose sum is σ = 54357972480. Its totient is φ = 5609717760.

The previous prime is 18099854057. The next prime is 18099854131. The reversal of 18099854080 is 8045899081.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22372716 + ... + 22373524.

It is an arithmetic number, because the mean of its divisors is an integer number (188742960).

Almost surely, 2^18099854080 is an apocalyptic number.

18099854080 is a gapful number since it is divisible by the number (10) 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 18099854080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27178986240).

18099854080 is an abundant number, since it is smaller than the sum of its proper divisors (36258118400).

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

18099854080 is a wasteful number, since it uses less digits than its factorization.

18099854080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 52.

The spelling of 18099854080 in words is "eighteen billion, ninety-nine million, eight hundred fifty-four thousand, eighty".