344257360802840 has 64 divisors (see below), whose sum is σ = 801301041936000. Its totient is φ = 132952516533760.

The previous prime is 344257360802813. The next prime is 344257360802857. The reversal of 344257360802840 is 48208063752443.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74059745 + ... + 78570735.

It is an arithmetic number, because the mean of its divisors is an integer number (12520328780250).

Almost surely, 2^{344257360802840} is an apocalyptic number.

It is an amenable number.

344257360802840 is an abundant number, since it is smaller than the sum of its proper divisors (457043681133160).

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

344257360802840 is a wasteful number, since it uses less digits than its factorization.

344257360802840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576820 (or 4576816 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 56.

The spelling of 344257360802840 in words is "three hundred forty-four trillion, two hundred fifty-seven billion, three hundred sixty million, eight hundred two thousand, eight hundred forty".