90935428000 has 96 divisors (see below), whose sum is σ = 223737958080. Its totient is φ = 36323769600.

The previous prime is 90935427971. The next prime is 90935428037. The reversal of 90935428000 is 82453909.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2940619 + ... + 2971381.

It is an arithmetic number, because the mean of its divisors is an integer number (2330603730).

Almost surely, 2^90935428000 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 90935428000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111868979040).

90935428000 is an abundant number, since it is smaller than the sum of its proper divisors (132802530080).

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

90935428000 is a wasteful number, since it uses less digits than its factorization.

90935428000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31527 (or 31509 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 90935428000 in words is "ninety billion, nine hundred thirty-five million, four hundred twenty-eight thousand".