344140255353440 has 96 divisors (see below), whose sum is σ = 1000653973300800. Its totient is φ = 108914718173184.

The previous prime is 344140255353371. The next prime is 344140255353443. The reversal of 344140255353440 is 44353552041443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344140255353443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11817988715 + ... + 11818017834.

It is an arithmetic number, because the mean of its divisors is an integer number (10423478888550).

Almost surely, 2^{344140255353440} is an apocalyptic number.

It is an amenable number.

344140255353440 is an abundant number, since it is smaller than the sum of its proper divisors (656513717947360).

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

344140255353440 is a wasteful number, since it uses less digits than its factorization.

344140255353440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23636006584 (or 23636006576 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 47.

The spelling of 344140255353440 in words is "three hundred forty-four trillion, one hundred forty billion, two hundred fifty-five million, three hundred fifty-three thousand, four hundred forty".