264545444 has 12 divisors (see below), whose sum is σ = 477888768. Its totient is φ = 128005800.

The previous prime is 264545443. The next prime is 264545497. The reversal of 264545444 is 444545462.

It is a junction number, because it is equal to n+sod(n) for n = 264545398 and 264545407.

It is not an unprimeable number, because it can be changed into a prime (264545443) 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, 1066592 + ... + 1066839.

It is an arithmetic number, because the mean of its divisors is an integer number (39824064).

Almost surely, 2^264545444 is an apocalyptic number.

It is an amenable number.

264545444 is a deficient number, since it is larger than the sum of its proper divisors (213343324).

264545444 is a wasteful number, since it uses less digits than its factorization.

264545444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133466 (or 2133464 counting only the distinct ones).

The product of its digits is 307200, while the sum is 38.

The square root of 264545444 is about 16264.8530273101. The cubic root of 264545444 is about 641.9483626781.

The spelling of 264545444 in words is "two hundred sixty-four million, five hundred forty-five thousand, four hundred forty-four".