26256542 has 32 divisors (see below), whose sum is σ = 44452800. Its totient is φ = 11547648.

The previous prime is 26256539. The next prime is 26256557. The reversal of 26256542 is 24565262.

It is a junction number, because it is equal to n+sod(n) for n = 26256499 and 26256508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72959 + ... + 73317.

It is an arithmetic number, because the mean of its divisors is an integer number (1389150).

Almost surely, 2^26256542 is an apocalyptic number.

26256542 is a deficient number, since it is larger than the sum of its proper divisors (18196258).

26256542 is a wasteful number, since it uses less digits than its factorization.

26256542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its digits is 28800, while the sum is 32.

The square root of 26256542 is about 5124.1137770350. The cubic root of 26256542 is about 297.2207845636.

The spelling of 26256542 in words is "twenty-six million, two hundred fifty-six thousand, five hundred forty-two".