90598603488 has 192 divisors, whose sum is σ = 255821126400. Its totient is φ = 27988623360.

The previous prime is 90598603471. The next prime is 90598603597. The reversal of 90598603488 is 88430689509.

It is a happy number.

It is a super-2 number, since 2×90598603488² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 21471843 + ... + 21476061.

It is an arithmetic number, because the mean of its divisors is an integer number (1332401700).

Almost surely, 2^90598603488 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 90598603488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127910563200).

90598603488 is an abundant number, since it is smaller than the sum of its proper divisors (165222522912).

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

90598603488 is a wasteful number, since it uses less digits than its factorization.

90598603488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505 (or 4497 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 90598603488 in words is "ninety billion, five hundred ninety-eight million, six hundred three thousand, four hundred eighty-eight".