68214243408 has 20 divisors (see below), whose sum is σ = 176220128928. Its totient is φ = 22738081120.

The previous prime is 68214243371. The next prime is 68214243491. The reversal of 68214243408 is 80434241286.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68214243408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710564988 + ... + 710565083.

Almost surely, 2^68214243408 is an apocalyptic number.

It is an amenable number.

68214243408 is an abundant number, since it is smaller than the sum of its proper divisors (108005885520).

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

68214243408 is a wasteful number, since it uses less digits than its factorization.

68214243408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421130082 (or 1421130076 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 68214243408 in words is "sixty-eight billion, two hundred fourteen million, two hundred forty-three thousand, four hundred eight".