18051048288 has 480 divisors, whose sum is σ = 66061771776. Its totient is φ = 4708150272.

The previous prime is 18051048271. The next prime is 18051048329. The reversal of 18051048288 is 88284015081.

18051048288 is a `hidden beast` number, since 1 + 80 + 5 + 10 + 482 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24294445 + ... + 24295187.

Almost surely, 2^18051048288 is an apocalyptic number.

18051048288 is a gapful number since it is divisible by the number (18) 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 18051048288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33030885888).

18051048288 is an abundant number, since it is smaller than the sum of its proper divisors (48010723488).

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

18051048288 is a wasteful number, since it uses less digits than its factorization.

18051048288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 45.

The spelling of 18051048288 in words is "eighteen billion, fifty-one million, forty-eight thousand, two hundred eighty-eight".