90959081340 has 24 divisors (see below), whose sum is σ = 254685427920. Its totient is φ = 24255755008.

The previous prime is 90959081329. The next prime is 90959081393. The reversal of 90959081340 is 4318095909.

It is a self number, because there is not a number n which added to its sum of digits gives 90959081340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757992285 + ... + 757992404.

It is an arithmetic number, because the mean of its divisors is an integer number (10611892830).

Almost surely, 2^90959081340 is an apocalyptic number.

It is an amenable number.

90959081340 is an abundant number, since it is smaller than the sum of its proper divisors (163726346580).

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

90959081340 is a wasteful number, since it uses less digits than its factorization.

90959081340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515984701 (or 1515984699 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 90959081340 in words is "ninety billion, nine hundred fifty-nine million, eighty-one thousand, three hundred forty".