13240226242 has 4 divisors (see below), whose sum is σ = 19860339366. Its totient is φ = 6620113120.

The previous prime is 13240226221. The next prime is 13240226267. The reversal of 13240226242 is 24262204231.

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., 12432473001 + 807753241 = 111501^2 + 28421^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13240226242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3310056559 + ... + 3310056562.

Almost surely, 2^13240226242 is an apocalyptic number.

13240226242 is a deficient number, since it is larger than the sum of its proper divisors (6620113124).

13240226242 is an equidigital number, since it uses as much as digits as its factorization.

13240226242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620113123.

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 13240226242 in words is "thirteen billion, two hundred forty million, two hundred twenty-six thousand, two hundred forty-two".