344369618778 has 32 divisors (see below), whose sum is σ = 707984202816. Its totient is φ = 111587908608.

The previous prime is 344369618767. The next prime is 344369618837. The reversal of 344369618778 is 877816963443.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 441351 + ... + 939962.

It is an arithmetic number, because the mean of its divisors is an integer number (22124506338).

Almost surely, 2^344369618778 is an apocalyptic number.

344369618778 is an abundant number, since it is smaller than the sum of its proper divisors (363614584038).

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

344369618778 is a wasteful number, since it uses less digits than its factorization.

344369618778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382478.

The product of its digits is 146313216, while the sum is 66.

The spelling of 344369618778 in words is "three hundred forty-four billion, three hundred sixty-nine million, six hundred eighteen thousand, seven hundred seventy-eight".