91226034042 has 96 divisors (see below), whose sum is σ = 216064791360. Its totient is φ = 25454108160.

The previous prime is 91226034023. The next prime is 91226034079. The reversal of 91226034042 is 24043062219.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 91226033994 and 91226034012.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4551988 + ... + 4571984.

It is an arithmetic number, because the mean of its divisors is an integer number (2250674910).

Almost surely, 2^91226034042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91226034042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108032395680).

91226034042 is an abundant number, since it is smaller than the sum of its proper divisors (124838757318).

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

91226034042 is a wasteful number, since it uses less digits than its factorization.

91226034042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20448 (or 20435 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 91226034042 in words is "ninety-one billion, two hundred twenty-six million, thirty-four thousand, forty-two".