26330444157 has 4 divisors (see below), whose sum is σ = 35107258880. Its totient is φ = 17553629436.

The previous prime is 26330444117. The next prime is 26330444171. The reversal of 26330444157 is 75144403362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 26330444157 - 2¹⁰ = 26330443133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26330444117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4388407357 + ... + 4388407362.

It is an arithmetic number, because the mean of its divisors is an integer number (8776814720).

Almost surely, 2^26330444157 is an apocalyptic number.

It is an amenable number.

26330444157 is a deficient number, since it is larger than the sum of its proper divisors (8776814723).

26330444157 is an equidigital number, since it uses as much as digits as its factorization.

26330444157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776814722.

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 26330444157 in words is "twenty-six billion, three hundred thirty million, four hundred forty-four thousand, one hundred fifty-seven".