26318244242 has 4 divisors (see below), whose sum is σ = 39477366366. Its totient is φ = 13159122120.

The previous prime is 26318244233. The next prime is 26318244331. The reversal of 26318244242 is 24244281362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22544722201 + 3773522041 = 150149^2 + 61429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26318244196 and 26318244205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6579561059 + ... + 6579561062.

Almost surely, 2^26318244242 is an apocalyptic number.

26318244242 is a deficient number, since it is larger than the sum of its proper divisors (13159122124).

26318244242 is a wasteful number, since it uses less digits than its factorization.

26318244242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13159122123.

The product of its digits is 147456, while the sum is 38.

The spelling of 26318244242 in words is "twenty-six billion, three hundred eighteen million, two hundred forty-four thousand, two hundred forty-two".