344660865144 has 128 divisors (see below), whose sum is σ = 892956180480. Its totient is φ = 110743459200.

The previous prime is 344660865097. The next prime is 344660865149. The reversal of 344660865144 is 441568066443.

It is a super-2 number, since 2×344660865144² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344660865149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347790489 + ... + 347791479.

It is an arithmetic number, because the mean of its divisors is an integer number (6976220160).

Almost surely, 2^344660865144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344660865144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446478090240).

344660865144 is an abundant number, since it is smaller than the sum of its proper divisors (548295315336).

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

344660865144 is a wasteful number, since it uses less digits than its factorization.

344660865144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401 (or 2397 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 344660865144 in words is "three hundred forty-four billion, six hundred sixty million, eight hundred sixty-five thousand, one hundred forty-four".