68220070940 has 48 divisors (see below), whose sum is σ = 164070144000. Its totient is φ = 23340885312.

The previous prime is 68220070921. The next prime is 68220070957. The reversal of 68220070940 is 4907002286.

It is a junction number, because it is equal to n+sod(n) for n = 68220070894 and 68220070903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441590 + ... + 575709.

It is an arithmetic number, because the mean of its divisors is an integer number (3418128000).

Almost surely, 2^68220070940 is an apocalyptic number.

It is an amenable number.

68220070940 is an abundant number, since it is smaller than the sum of its proper divisors (95850073060).

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

68220070940 is a wasteful number, since it uses less digits than its factorization.

68220070940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017794 (or 1017792 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 68220070940 in words is "sixty-eight billion, two hundred twenty million, seventy thousand, nine hundred forty".