5266538268 has 12 divisors (see below), whose sum is σ = 12288589320. Its totient is φ = 1755512752.

The previous prime is 5266538203. The next prime is 5266538269. The reversal of 5266538268 is 8628356625.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 5266538268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266538269) 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, 219439083 + ... + 219439106.

It is an arithmetic number, because the mean of its divisors is an integer number (1024049110).

Almost surely, 2^5266538268 is an apocalyptic number.

It is an amenable number.

5266538268 is an abundant number, since it is smaller than the sum of its proper divisors (7022051052).

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

5266538268 is a wasteful number, since it uses less digits than its factorization.

5266538268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438878196 (or 438878194 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The square root of 5266538268 is about 72570.9188862867. The cubic root of 5266538268 is about 1739.8364081897.

The spelling of 5266538268 in words is "five billion, two hundred sixty-six million, five hundred thirty-eight thousand, two hundred sixty-eight".