264264745 has 16 divisors (see below), whose sum is σ = 340379280. Its totient is φ = 196245504.

The previous prime is 264264743. The next prime is 264264757. The reversal of 264264745 is 547462462.

It can be written as a sum of positive squares in 8 ways, for example, as 2601769 + 261662976 = 1613^2 + 16176^2 .

It is a cyclic number.

It is not a de Polignac number, because 264264745 - 2¹ = 264264743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264264698 and 264264707.

It is not an unprimeable number, because it can be changed into a prime (264264743) 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 15 ways as a sum of consecutive naturals, for example, 15090 + ... + 27499.

It is an arithmetic number, because the mean of its divisors is an integer number (21273705).

Almost surely, 2^264264745 is an apocalyptic number.

It is an amenable number.

264264745 is a deficient number, since it is larger than the sum of its proper divisors (76114535).

264264745 is a wasteful number, since it uses less digits than its factorization.

264264745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42684.

The product of its digits is 322560, while the sum is 40.

The square root of 264264745 is about 16256.2217320016. The cubic root of 264264745 is about 641.7212334173.

The spelling of 264264745 in words is "two hundred sixty-four million, two hundred sixty-four thousand, seven hundred forty-five".