68448572038 has 48 divisors (see below), whose sum is σ = 129070882080. Its totient is φ = 26648962560.

The previous prime is 68448571937. The next prime is 68448572041. The reversal of 68448572038 is 83027584486.

It is a self number, because there is not a number n which added to its sum of digits gives 68448572038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2447478 + ... + 2475286.

It is an arithmetic number, because the mean of its divisors is an integer number (2688976710).

Almost surely, 2^68448572038 is an apocalyptic number.

68448572038 is a deficient number, since it is larger than the sum of its proper divisors (60622310042).

68448572038 is a wasteful number, since it uses less digits than its factorization.

68448572038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29293 (or 29282 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 55.

The spelling of 68448572038 in words is "sixty-eight billion, four hundred forty-eight million, five hundred seventy-two thousand, thirty-eight".