90691042244 has 24 divisors (see below), whose sum is σ = 173163378528. Its totient is φ = 41217026240.

The previous prime is 90691042241. The next prime is 90691042291. The reversal of 90691042244 is 44224019609.

It is not an unprimeable number, because it can be changed into a prime (90691042241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149432 + ... + 451344.

It is an arithmetic number, because the mean of its divisors is an integer number (7215140772).

Almost surely, 2^90691042244 is an apocalyptic number.

It is an amenable number.

90691042244 is a deficient number, since it is larger than the sum of its proper divisors (82472336284).

90691042244 is a wasteful number, since it uses less digits than its factorization.

90691042244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308755 (or 308753 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 90691042244 in words is "ninety billion, six hundred ninety-one million, forty-two thousand, two hundred forty-four".