68255444 has 24 divisors (see below), whose sum is σ = 128943360. Its totient is φ = 31517024.

The previous prime is 68255443. The next prime is 68255479. The reversal of 68255444 is 44455286.

It is a junction number, because it is equal to n+sod(n) for n = 68255398 and 68255407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68255441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10124 + ... + 15459.

It is an arithmetic number, because the mean of its divisors is an integer number (5372640).

Almost surely, 2^68255444 is an apocalyptic number.

It is an amenable number.

68255444 is a deficient number, since it is larger than the sum of its proper divisors (60687916).

68255444 is a wasteful number, since it uses less digits than its factorization.

68255444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25639 (or 25637 counting only the distinct ones).

The product of its digits is 153600, while the sum is 38.

The square root of 68255444 is about 8261.6853002278. The cubic root of 68255444 is about 408.6759667905.

The spelling of 68255444 in words is "sixty-eight million, two hundred fifty-five thousand, four hundred forty-four".