91422040441 has 8 divisors (see below), whose sum is σ = 96342976800. Its totient is φ = 86512029120.

The previous prime is 91422040397. The next prime is 91422040471. The reversal of 91422040441 is 14404022419.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91422040441 - 2²⁵ = 91388486009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91422040471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2714071 + ... + 2747548.

It is an arithmetic number, because the mean of its divisors is an integer number (12042872100).

Almost surely, 2^91422040441 is an apocalyptic number.

It is an amenable number.

91422040441 is a deficient number, since it is larger than the sum of its proper divisors (4920936359).

91422040441 is a wasteful number, since it uses less digits than its factorization.

91422040441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462519.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 91422040441 in words is "ninety-one billion, four hundred twenty-two million, forty thousand, four hundred forty-one".