68244228836 has 36 divisors (see below), whose sum is σ = 139548826368. Its totient is φ = 29116353168.

The previous prime is 68244228797. The next prime is 68244228841. The reversal of 68244228836 is 63882244286.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736976 + ... + 824391.

It is an arithmetic number, because the mean of its divisors is an integer number (3876356288).

Almost surely, 2^68244228836 is an apocalyptic number.

It is an amenable number.

68244228836 is an abundant number, since it is smaller than the sum of its proper divisors (71304597532).

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

68244228836 is a wasteful number, since it uses less digits than its factorization.

68244228836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561608 (or 1561599 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 53.

The spelling of 68244228836 in words is "sixty-eight billion, two hundred forty-four million, two hundred twenty-eight thousand, eight hundred thirty-six".