90950983488 has 280 divisors, whose sum is σ = 274245628800. Its totient is φ = 29799124992.

The previous prime is 90950983481. The next prime is 90950983499. The reversal of 90950983488 is 88438905909.

90950983488 is a `hidden beast` number, since 9 + 0 + 9 + 509 + 83 + 48 + 8 = 666.

It is a super-2 number, since 2×90950983488² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90950983481) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 138013303 + ... + 138013961.

Almost surely, 2^90950983488 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 90950983488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137122814400).

90950983488 is an abundant number, since it is smaller than the sum of its proper divisors (183294645312).

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

90950983488 is a wasteful number, since it uses less digits than its factorization.

90950983488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 90950983488 in words is "ninety billion, nine hundred fifty million, nine hundred eighty-three thousand, four hundred eighty-eight".