91248402432 has 112 divisors (see below), whose sum is σ = 265434482592. Its totient is φ = 27650949120.

The previous prime is 91248402391. The next prime is 91248402439. The reversal of 91248402432 is 23420484219.

It is a super-3 number, since 3×91248402432³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (91248402439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101568 + ... + 439104.

Almost surely, 2^91248402432 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 91248402432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132717241296).

91248402432 is an abundant number, since it is smaller than the sum of its proper divisors (174186080160).

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

91248402432 is a wasteful number, since it uses less digits than its factorization.

91248402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337577 (or 337553 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 91248402432 in words is "ninety-one billion, two hundred forty-eight million, four hundred two thousand, four hundred thirty-two".