340278314669720 has 256 divisors, whose sum is σ = 929185136640000. Its totient is φ = 109482951352320.

The previous prime is 340278314669701. The next prime is 340278314669747. The reversal of 340278314669720 is 27966413872043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2596071785 + ... + 2596202855.

It is an arithmetic number, because the mean of its divisors is an integer number (3629629440000).

Almost surely, 2^{340278314669720} 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 340278314669720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464592568320000).

340278314669720 is an abundant number, since it is smaller than the sum of its proper divisors (588906821970280).

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

340278314669720 is a wasteful number, since it uses less digits than its factorization.

340278314669720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132698 (or 132694 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 62.

The spelling of 340278314669720 in words is "three hundred forty trillion, two hundred seventy-eight billion, three hundred fourteen million, six hundred sixty-nine thousand, seven hundred twenty".