5668467444 has 18 divisors (see below), whose sum is σ = 14328626130. Its totient is φ = 1889489136.

The previous prime is 5668467379. The next prime is 5668467479. The reversal of 5668467444 is 4447648665.

It is a happy number.

5668467444 is a `hidden beast` number, since 5 + 66 + 84 + 67 + 444 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3852684900 + 1815782544 = 62070^2 + 42612^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78728679 + ... + 78728750.

It is an arithmetic number, because the mean of its divisors is an integer number (796034785).

Almost surely, 2^5668467444 is an apocalyptic number.

It is an amenable number.

5668467444 is an abundant number, since it is smaller than the sum of its proper divisors (8660158686).

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

5668467444 is a wasteful number, since it uses less digits than its factorization.

5668467444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157457439 (or 157457434 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 54.

The square root of 5668467444 is about 75289.2252848972. The cubic root of 5668467444 is about 1783.0159118588.

The spelling of 5668467444 in words is "five billion, six hundred sixty-eight million, four hundred sixty-seven thousand, four hundred forty-four".