68418086442 has 32 divisors (see below), whose sum is σ = 144215877120. Its totient is φ = 21579041520.

The previous prime is 68418086431. The next prime is 68418086459. The reversal of 68418086442 is 24468081486.

68418086442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 277558 + ... + 462465.

It is an arithmetic number, because the mean of its divisors is an integer number (4506746160).

Almost surely, 2^68418086442 is an apocalyptic number.

68418086442 is an abundant number, since it is smaller than the sum of its proper divisors (75797790678).

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

68418086442 is a wasteful number, since it uses less digits than its factorization.

68418086442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740858.

The product of its (nonzero) digits is 2359296, while the sum is 51.

The spelling of 68418086442 in words is "sixty-eight billion, four hundred eighteen million, eighty-six thousand, four hundred forty-two".