344140422151 has 4 divisors (see below), whose sum is σ = 344279583712. Its totient is φ = 344001260592.

The previous prime is 344140422077. The next prime is 344140422163. The reversal of 344140422151 is 151224041443.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344140422151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344140422251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69577071 + ... + 69582016.

It is an arithmetic number, because the mean of its divisors is an integer number (86069895928).

Almost surely, 2^344140422151 is an apocalyptic number.

344140422151 is a deficient number, since it is larger than the sum of its proper divisors (139161561).

344140422151 is a wasteful number, since it uses less digits than its factorization.

344140422151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139161560.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 344140422151 its reverse (151224041443), we get a palindrome (495364463594).

The spelling of 344140422151 in words is "three hundred forty-four billion, one hundred forty million, four hundred twenty-two thousand, one hundred fifty-one".