91942400592 has 160 divisors (see below), whose sum is σ = 302013884160. Its totient is φ = 26234081280.

The previous prime is 91942400587. The next prime is 91942400633. The reversal of 91942400592 is 29500424919.

91942400592 is a `hidden beast` number, since 9 + 19 + 4 + 2 + 40 + 0 + 592 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2281288 + ... + 2321240.

It is an arithmetic number, because the mean of its divisors is an integer number (1887586776).

Almost surely, 2^91942400592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91942400592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151006942080).

91942400592 is an abundant number, since it is smaller than the sum of its proper divisors (210071483568).

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

91942400592 is a wasteful number, since it uses less digits than its factorization.

91942400592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40738 (or 40726 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 91942400592 in words is "ninety-one billion, nine hundred forty-two million, four hundred thousand, five hundred ninety-two".