26543242 has 16 divisors (see below), whose sum is σ = 45323712. Its totient is φ = 11540320.

The previous prime is 26543191. The next prime is 26543249. The reversal of 26543242 is 24234562.

It is a self number, because there is not a number n which added to its sum of digits gives 26543242.

It is not an unprimeable number, because it can be changed into a prime (26543249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25723 + ... + 26734.

It is an arithmetic number, because the mean of its divisors is an integer number (2832732).

Almost surely, 2^26543242 is an apocalyptic number.

26543242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26543242 is a deficient number, since it is larger than the sum of its proper divisors (18780470).

26543242 is a wasteful number, since it uses less digits than its factorization.

26543242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52493.

The product of its digits is 11520, while the sum is 28.

The square root of 26543242 is about 5152.0133928397. The cubic root of 26543242 is about 298.2986735706.

The spelling of 26543242 in words is "twenty-six million, five hundred forty-three thousand, two hundred forty-two".