90505239552000 has 2688 divisors, whose sum is σ = 404029654898688. Its totient is φ = 18979356672000.

The previous prime is 90505239551939. The next prime is 90505239552017. The reversal of 90505239552000 is 25593250509.

90505239552000 is a `hidden beast` number, since 9 + 0 + 5 + 0 + 52 + 395 + 5 + 200 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2688).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 260822015827 + ... + 260822016173.

It is an arithmetic number, because the mean of its divisors is an integer number (150308651376).

Almost surely, 2^{90505239552000} is an apocalyptic number.

90505239552000 is a gapful number since it is divisible by the number (90) 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 90505239552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202014827449344).

90505239552000 is an abundant number, since it is smaller than the sum of its proper divisors (313524415346688).

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

90505239552000 is a wasteful number, since it uses less digits than its factorization.

90505239552000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 45.

The spelling of 90505239552000 in words is "ninety trillion, five hundred five billion, two hundred thirty-nine million, five hundred fifty-two thousand".