344880778026 has 32 divisors (see below), whose sum is σ = 692613462528. Its totient is φ = 114485736960.

The previous prime is 344880778007. The next prime is 344880778049. The reversal of 344880778026 is 620877088443.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1646166 + ... + 1843806.

It is an arithmetic number, because the mean of its divisors is an integer number (21644170704).

Almost surely, 2^344880778026 is an apocalyptic number.

344880778026 is an abundant number, since it is smaller than the sum of its proper divisors (347732684502).

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

344880778026 is a wasteful number, since it uses less digits than its factorization.

344880778026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198846.

The product of its (nonzero) digits is 14450688, while the sum is 57.

The spelling of 344880778026 in words is "three hundred forty-four billion, eight hundred eighty million, seven hundred seventy-eight thousand, twenty-six".