26123442 has 16 divisors (see below), whose sum is σ = 54996960. Its totient is φ = 8249472.

The previous prime is 26123431. The next prime is 26123467. The reversal of 26123442 is 24432162.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 114463 + ... + 114690.

It is an arithmetic number, because the mean of its divisors is an integer number (3437310).

Almost surely, 2^26123442 is an apocalyptic number.

26123442 is an abundant number, since it is smaller than the sum of its proper divisors (28873518).

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

26123442 is a wasteful number, since it uses less digits than its factorization.

26123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229177.

The product of its digits is 2304, while the sum is 24.

The square root of 26123442 is about 5111.1096642510. The cubic root of 26123442 is about 296.7177083971.

It can be divided in two parts, 26123 and 442, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 26123442 in words is "twenty-six million, one hundred twenty-three thousand, four hundred forty-two".