68825601390 has 320 divisors, whose sum is σ = 214307960832. Its totient is φ = 14047084800.

The previous prime is 68825601389. The next prime is 68825601391. The reversal of 68825601390 is 9310652886.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68825601389) and next prime (68825601391).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68825601391) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 29026905 + ... + 29029275.

Almost surely, 2^68825601390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68825601390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107153980416).

68825601390 is an abundant number, since it is smaller than the sum of its proper divisors (145482359442).

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

68825601390 is a wasteful number, since it uses less digits than its factorization.

68825601390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 68825601390 in words is "sixty-eight billion, eight hundred twenty-five million, six hundred one thousand, three hundred ninety".