344108828644 has 72 divisors (see below), whose sum is σ = 722179402560. Its totient is φ = 142943016384.

The previous prime is 344108828611. The next prime is 344108828659. The reversal of 344108828644 is 446828801443.

It is a junction number, because it is equal to n+sod(n) for n = 344108828591 and 344108828600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1817067 + ... + 1997485.

It is an arithmetic number, because the mean of its divisors is an integer number (10030269480).

Almost surely, 2^344108828644 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 344108828644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361089701280).

344108828644 is an abundant number, since it is smaller than the sum of its proper divisors (378070573916).

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

344108828644 is a wasteful number, since it uses less digits than its factorization.

344108828644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180737 (or 180728 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 52.

The spelling of 344108828644 in words is "three hundred forty-four billion, one hundred eight million, eight hundred twenty-eight thousand, six hundred forty-four".