264438375 has 16 divisors (see below), whose sum is σ = 440026080. Its totient is φ = 141033600.

The previous prime is 264438373. The next prime is 264438379. The reversal of 264438375 is 573834462.

264438375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264438375 - 2¹ = 264438373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264438373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352210 + ... + 352959.

It is an arithmetic number, because the mean of its divisors is an integer number (27501630).

Almost surely, 2^264438375 is an apocalyptic number.

264438375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

264438375 is a deficient number, since it is larger than the sum of its proper divisors (175587705).

264438375 is an equidigital number, since it uses as much as digits as its factorization.

264438375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705187 (or 705177 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 264438375 is about 16261.5612719074. The cubic root of 264438375 is about 641.8617461244.

The spelling of 264438375 in words is "two hundred sixty-four million, four hundred thirty-eight thousand, three hundred seventy-five".