90650528028 has 48 divisors (see below), whose sum is σ = 235036399360. Its totient is φ = 30214719792.

The previous prime is 90650527973. The next prime is 90650528029. The reversal of 90650528028 is 82082505609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90650528029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2575275 + ... + 2610237.

Almost surely, 2^90650528028 is an apocalyptic number.

It is an amenable number.

90650528028 is an abundant number, since it is smaller than the sum of its proper divisors (144385871332).

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

90650528028 is a wasteful number, since it uses less digits than its factorization.

90650528028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58983 (or 58975 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 90650528028 in words is "ninety billion, six hundred fifty million, five hundred twenty-eight thousand, twenty-eight".