90001500280 has 16 divisors (see below), whose sum is σ = 202503375720. Its totient is φ = 36000600096.

The previous prime is 90001500257. The next prime is 90001500287. The reversal of 90001500280 is 8200510009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90001500287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125018714 + ... + 1125018793.

Almost surely, 2^90001500280 is an apocalyptic number.

It is an amenable number.

90001500280 is an abundant number, since it is smaller than the sum of its proper divisors (112501875440).

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

90001500280 is a wasteful number, since it uses less digits than its factorization.

90001500280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250037518 (or 2250037514 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 90001500280 in words is "ninety billion, one million, five hundred thousand, two hundred eighty".