7444740168 has 24 divisors (see below), whose sum is σ = 20162838150. Its totient is φ = 2481580032.

The previous prime is 7444740167. The next prime is 7444740187. The reversal of 7444740168 is 8610474447.

It is a happy number.

7444740168 is a `hidden beast` number, since 7 + 4 + 447 + 40 + 168 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7113572964 + 331167204 = 84342^2 + 18198^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (7444740161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51699513 + ... + 51699656.

Almost surely, 2^7444740168 is an apocalyptic number.

It is an amenable number.

7444740168 is an abundant number, since it is smaller than the sum of its proper divisors (12718097982).

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

7444740168 is a wasteful number, since it uses less digits than its factorization.

7444740168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103399181 (or 103399174 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The square root of 7444740168 is about 86282.9077395981. The cubic root of 7444740168 is about 1952.6145221241.

The spelling of 7444740168 in words is "seven billion, four hundred forty-four million, seven hundred forty thousand, one hundred sixty-eight".