264243705 has 16 divisors (see below), whose sum is σ = 461225664. Its totient is φ = 128118080.

The previous prime is 264243691. The next prime is 264243709. The reversal of 264243705 is 507342462.

264243705 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 264243705 - 2⁶ = 264243641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (264243709) 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, 800574 + ... + 800903.

It is an arithmetic number, because the mean of its divisors is an integer number (28826604).

Almost surely, 2^264243705 is an apocalyptic number.

It is an amenable number.

264243705 is a deficient number, since it is larger than the sum of its proper divisors (196981959).

264243705 is a wasteful number, since it uses less digits than its factorization.

264243705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601496.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 264243705 is about 16255.5745822779. The cubic root of 264243705 is about 641.7042022982.

The spelling of 264243705 in words is "two hundred sixty-four million, two hundred forty-three thousand, seven hundred five".