12340645374 has 8 divisors (see below), whose sum is σ = 24681290760. Its totient is φ = 4113548456.

The previous prime is 12340645367. The next prime is 12340645417. The reversal of 12340645374 is 47354604321.

It is a sphenic number, since it is the product of 3 distinct primes.

12340645374 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028387109 + ... + 1028387120.

It is an arithmetic number, because the mean of its divisors is an integer number (3085161345).

Almost surely, 2^12340645374 is an apocalyptic number.

12340645374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12340645374 is a wasteful number, since it uses less digits than its factorization.

12340645374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056774234.

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 12340645374 in words is "twelve billion, three hundred forty million, six hundred forty-five thousand, three hundred seventy-four".