26631242 has 16 divisors (see below), whose sum is σ = 43677792. Its totient is φ = 12077520.

The previous prime is 26631229. The next prime is 26631247. The reversal of 26631242 is 24213662.

It is not an unprimeable number, because it can be changed into a prime (26631247) 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, 10928 + ... + 13140.

It is an arithmetic number, because the mean of its divisors is an integer number (2729862).

Almost surely, 2^26631242 is an apocalyptic number.

26631242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26631242 is a deficient number, since it is larger than the sum of its proper divisors (17046550).

26631242 is a wasteful number, since it uses less digits than its factorization.

26631242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773.

The product of its digits is 3456, while the sum is 26.

The square root of 26631242 is about 5160.5466764675. The cubic root of 26631242 is about 298.6279642554.

The spelling of 26631242 in words is "twenty-six million, six hundred thirty-one thousand, two hundred forty-two".