68652077340 has 288 divisors, whose sum is σ = 249268948992. Its totient is φ = 13804876800.

The previous prime is 68652077339. The next prime is 68652077383. The reversal of 68652077340 is 4377025686.

It is a self number, because there is not a number n which added to its sum of digits gives 68652077340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1553632 + ... + 1597208.

It is an arithmetic number, because the mean of its divisors is an integer number (865517184).

Almost surely, 2^68652077340 is an apocalyptic number.

68652077340 is a gapful number since it is divisible by the number (60) 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 68652077340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124634474496).

68652077340 is an abundant number, since it is smaller than the sum of its proper divisors (180616871652).

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

68652077340 is a wasteful number, since it uses less digits than its factorization.

68652077340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43649 (or 43636 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 68652077340 in words is "sixty-eight billion, six hundred fifty-two million, seventy-seven thousand, three hundred forty".