344378556016 has 80 divisors (see below), whose sum is σ = 756774563328. Its totient is φ = 150438182400.

The previous prime is 344378555957. The next prime is 344378556019. The reversal of 344378556016 is 610655873443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344378556019) 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, 127321 + ... + 839623.

Almost surely, 2^344378556016 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 344378556016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378387281664).

344378556016 is an abundant number, since it is smaller than the sum of its proper divisors (412396007312).

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

344378556016 is a wasteful number, since it uses less digits than its factorization.

344378556016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712430 (or 712424 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 344378556016 in words is "three hundred forty-four billion, three hundred seventy-eight million, five hundred fifty-six thousand, sixteen".