340702721338560 has 896 divisors, whose sum is σ = 1292774241927168. Its totient is φ = 74382465024000.

The previous prime is 340702721338517. The next prime is 340702721338561. The reversal of 340702721338560 is 65833127207043.

It is not an unprimeable number, because it can be changed into a prime (340702721338561) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18863991930 + ... + 18864009990.

It is an arithmetic number, because the mean of its divisors is an integer number (1442828395008).

Almost surely, 2^{340702721338560} is an apocalyptic number.

340702721338560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340702721338560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646387120963584).

340702721338560 is an abundant number, since it is smaller than the sum of its proper divisors (952071520588608).

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

340702721338560 is a wasteful number, since it uses less digits than its factorization.

340702721338560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19293 (or 19283 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 340702721338560 in words is "three hundred forty trillion, seven hundred two billion, seven hundred twenty-one million, three hundred thirty-eight thousand, five hundred sixty".