90941428944 has 80 divisors (see below), whose sum is σ = 261165278400. Its totient is φ = 30298748544.

The previous prime is 90941428891. The next prime is 90941428997. The reversal of 90941428944 is 44982414909.

It is a happy number.

90941428944 is a `hidden beast` number, since 90 + 9 + 41 + 428 + 94 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (90941428891) and next prime (90941428997).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835627 + ... + 938165.

It is an arithmetic number, because the mean of its divisors is an integer number (3264565980).

Almost surely, 2^90941428944 is an apocalyptic number.

It is an amenable number.

90941428944 is an abundant number, since it is smaller than the sum of its proper divisors (170223849456).

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

90941428944 is a wasteful number, since it uses less digits than its factorization.

90941428944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104609 (or 104597 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 90941428944 in words is "ninety billion, nine hundred forty-one million, four hundred twenty-eight thousand, nine hundred forty-four".