264253128 has 16 divisors (see below), whose sum is σ = 660632880. Its totient is φ = 88084368.

The previous prime is 264253127. The next prime is 264253147. The reversal of 264253128 is 821352462.

It is not an unprimeable number, because it can be changed into a prime (264253127) 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 3 ways as a sum of consecutive naturals, for example, 5505250 + ... + 5505297.

It is an arithmetic number, because the mean of its divisors is an integer number (41289555).

Almost surely, 2^264253128 is an apocalyptic number.

It is an amenable number.

264253128 is an abundant number, since it is smaller than the sum of its proper divisors (396379752).

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

264253128 is a wasteful number, since it uses less digits than its factorization.

264253128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010556 (or 11010552 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 264253128 is about 16255.8644187259. The cubic root of 264253128 is about 641.7118299877.

The spelling of 264253128 in words is "two hundred sixty-four million, two hundred fifty-three thousand, one hundred twenty-eight".