26247042 has 12 divisors (see below), whose sum is σ = 56868630. Its totient is φ = 8749008.

The previous prime is 26247017. The next prime is 26247047. The reversal of 26247042 is 24074262.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26101881 + 145161 = 5109^2 + 381^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26246997 and 26247015.

It is not an unprimeable number, because it can be changed into a prime (26247047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729067 + ... + 729102.

Almost surely, 2^26247042 is an apocalyptic number.

26247042 is an abundant number, since it is smaller than the sum of its proper divisors (30621588).

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

26247042 is a wasteful number, since it uses less digits than its factorization.

26247042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458177 (or 1458174 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 26247042 is about 5123.1867036055. The cubic root of 26247042 is about 297.1849339673.

The spelling of 26247042 in words is "twenty-six million, two hundred forty-seven thousand, forty-two".