91740208480 has 24 divisors (see below), whose sum is σ = 216736242912. Its totient is φ = 36696083328.

The previous prime is 91740208459. The next prime is 91740208499. The reversal of 91740208480 is 8480204719.

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 3 ways as a sum of consecutive naturals, for example, 286687992 + ... + 286688311.

It is an arithmetic number, because the mean of its divisors is an integer number (9030676788).

Almost surely, 2^91740208480 is an apocalyptic number.

It is an amenable number.

91740208480 is an abundant number, since it is smaller than the sum of its proper divisors (124996034432).

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

91740208480 is a wasteful number, since it uses less digits than its factorization.

91740208480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573376318 (or 573376310 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 91740208480 in words is "ninety-one billion, seven hundred forty million, two hundred eight thousand, four hundred eighty".