90041690736 has 30 divisors (see below), whose sum is σ = 251991676560. Its totient is φ = 30013896864.

The previous prime is 90041690699. The next prime is 90041690891. The reversal of 90041690736 is 63709614009.

It is a junction number, because it is equal to n+sod(n) for n = 90041690691 and 90041690700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312644616 + ... + 312644903.

It is an arithmetic number, because the mean of its divisors is an integer number (8399722552).

Almost surely, 2^90041690736 is an apocalyptic number.

It is an amenable number.

90041690736 is an abundant number, since it is smaller than the sum of its proper divisors (161949985824).

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

90041690736 is a wasteful number, since it uses less digits than its factorization.

90041690736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625289533 (or 625289524 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 90041690736 in words is "ninety billion, forty-one million, six hundred ninety thousand, seven hundred thirty-six".