68662025380 has 96 divisors (see below), whose sum is σ = 157666376448. Its totient is φ = 24963724800.

The previous prime is 68662025323. The next prime is 68662025387. The reversal of 68662025380 is 8352026686.

It is a self number, because there is not a number n which added to its sum of digits gives 68662025380.

It is not an unprimeable number, because it can be changed into a prime (68662025387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18845839 + ... + 18849481.

It is an arithmetic number, because the mean of its divisors is an integer number (1642358088).

Almost surely, 2^68662025380 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 68662025380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78833188224).

68662025380 is an abundant number, since it is smaller than the sum of its proper divisors (89004351068).

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

68662025380 is a wasteful number, since it uses less digits than its factorization.

68662025380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757 (or 4755 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 68662025380 in words is "sixty-eight billion, six hundred sixty-two million, twenty-five thousand, three hundred eighty".