4428668264 has 16 divisors (see below), whose sum is σ = 8305812900. Its totient is φ = 2213784832.

The previous prime is 4428668263. The next prime is 4428668273. The reversal of 4428668264 is 4628668244.

It can be written as a sum of positive squares in 2 ways, for example, as 4426240900 + 2427364 = 66530^2 + 1558^2 .

It is a super-2 number, since 2×4428668264² = 39226205185121547392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4428668263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33329 + ... + 99840.

Almost surely, 2^4428668264 is an apocalyptic number.

It is an amenable number.

4428668264 is a deficient number, since it is larger than the sum of its proper divisors (3877144636).

4428668264 is a wasteful number, since it uses less digits than its factorization.

4428668264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137332 (or 137328 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 50.

The square root of 4428668264 is about 66548.2401269936. The cubic root of 4428668264 is about 1642.1937062136.

The spelling of 4428668264 in words is "four billion, four hundred twenty-eight million, six hundred sixty-eight thousand, two hundred sixty-four".