90300851000 has 128 divisors (see below), whose sum is σ = 212755757760. Its totient is φ = 35873280000.

The previous prime is 90300850921. The next prime is 90300851071. The reversal of 90300851000 is 15800309.

It is a Cunningham number, because it is equal to 300501²-1.

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, 150250700 + ... + 150251300.

Almost surely, 2^90300851000 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 90300851000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106377878880).

90300851000 is an abundant number, since it is smaller than the sum of its proper divisors (122454906760).

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

90300851000 is a wasteful number, since it uses less digits than its factorization.

90300851000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 90300851000 in words is "ninety billion, three hundred million, eight hundred fifty-one thousand".