90118240000 has 180 divisors, whose sum is σ = 232047471040. Its totient is φ = 34882560000.

The previous prime is 90118239979. The next prime is 90118240067. The reversal of 90118240000 is 4281109.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4950916 + ... + 4969084.

Almost surely, 2^90118240000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90118240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116023735520).

90118240000 is an abundant number, since it is smaller than the sum of its proper divisors (141929231040).

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

90118240000 is an equidigital number, since it uses as much as digits as its factorization.

90118240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18236 (or 18207 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 90118240000 in words is "ninety billion, one hundred eighteen million, two hundred forty thousand".