344409693816 has 32 divisors (see below), whose sum is σ = 864626860800. Its totient is φ = 114322881120.

The previous prime is 344409693779. The next prime is 344409693833. The reversal of 344409693816 is 618396904443.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30016030 + ... + 30027501.

It is an arithmetic number, because the mean of its divisors is an integer number (27019589400).

Almost surely, 2^344409693816 is an apocalyptic number.

It is an amenable number.

344409693816 is an abundant number, since it is smaller than the sum of its proper divisors (520217166984).

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

344409693816 is a wasteful number, since it uses less digits than its factorization.

344409693816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60043779 (or 60043775 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 57.

The spelling of 344409693816 in words is "three hundred forty-four billion, four hundred nine million, six hundred ninety-three thousand, eight hundred sixteen".