26442121375 has 16 divisors (see below), whose sum is σ = 33320169792. Its totient is φ = 20948311200.

The previous prime is 26442121361. The next prime is 26442121397. The reversal of 26442121375 is 57312124462.

It is not a de Polignac number, because 26442121375 - 2¹⁹ = 26441597087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014004 + ... + 1039753.

It is an arithmetic number, because the mean of its divisors is an integer number (2082510612).

Almost surely, 2^26442121375 is an apocalyptic number.

26442121375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26442121375 is a deficient number, since it is larger than the sum of its proper divisors (6878048417).

26442121375 is a wasteful number, since it uses less digits than its factorization.

26442121375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053875 (or 2053865 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The spelling of 26442121375 in words is "twenty-six billion, four hundred forty-two million, one hundred twenty-one thousand, three hundred seventy-five".