91496883040 has 48 divisors (see below), whose sum is σ = 219387701232. Its totient is φ = 36052498944.

The previous prime is 91496883031. The next prime is 91496883061. The reversal of 91496883040 is 4038869419.

It is a happy number.

It is a super-3 number, since 3×91496883040³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4256859 + ... + 4278298.

It is an arithmetic number, because the mean of its divisors is an integer number (4570577109).

Almost surely, 2^91496883040 is an apocalyptic number.

It is an amenable number.

91496883040 is an abundant number, since it is smaller than the sum of its proper divisors (127890818192).

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

91496883040 is a wasteful number, since it uses less digits than its factorization.

91496883040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8535239 (or 8535231 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 91496883040 in words is "ninety-one billion, four hundred ninety-six million, eight hundred eighty-three thousand, forty".