68619093340 has 144 divisors (see below), whose sum is σ = 175409950464. Its totient is φ = 22455014400.

The previous prime is 68619093331. The next prime is 68619093419. The reversal of 68619093340 is 4339091686.

68619093340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2202270 + ... + 2233210.

It is an arithmetic number, because the mean of its divisors is an integer number (1218124656).

Almost surely, 2^68619093340 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 68619093340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87704975232).

68619093340 is an abundant number, since it is smaller than the sum of its proper divisors (106790857124).

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

68619093340 is a wasteful number, since it uses less digits than its factorization.

68619093340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31068 (or 31059 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 68619093340 in words is "sixty-eight billion, six hundred nineteen million, ninety-three thousand, three hundred forty".