26442051 has 4 divisors (see below), whose sum is σ = 35256072. Its totient is φ = 17628032.

The previous prime is 26442049. The next prime is 26442061. The reversal of 26442051 is 15024462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26442051 - 2¹ = 26442049 is a prime.

It is a super-2 number, since 2×26442051² = 1398364122173202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26442061) 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 3 ways as a sum of consecutive naturals, for example, 4407006 + ... + 4407011.

It is an arithmetic number, because the mean of its divisors is an integer number (8814018).

Almost surely, 2^26442051 is an apocalyptic number.

26442051 is a deficient number, since it is larger than the sum of its proper divisors (8814021).

26442051 is an equidigital number, since it uses as much as digits as its factorization.

26442051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814020.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 26442051 is about 5142.1834856411. The cubic root of 26442051 is about 297.9191220841.

The spelling of 26442051 in words is "twenty-six million, four hundred forty-two thousand, fifty-one".