264440245245364 has 12 divisors (see below), whose sum is σ = 464690638430788. Its totient is φ = 131671491408000.

The previous prime is 264440245245343. The next prime is 264440245245389. The reversal of 264440245245364 is 463542542044462.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 246477126168100 + 17963119077264 = 15699590^2 + 4238292^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137157802587 + ... + 137157804514.

Almost surely, 2^{264440245245364} is an apocalyptic number.

It is an amenable number.

264440245245364 is a deficient number, since it is larger than the sum of its proper divisors (200250393185424).

264440245245364 is a wasteful number, since it uses less digits than its factorization.

264440245245364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274315607346 (or 274315607344 counting only the distinct ones).

The product of its (nonzero) digits is 88473600, while the sum is 55.

The spelling of 264440245245364 in words is "two hundred sixty-four trillion, four hundred forty billion, two hundred forty-five million, two hundred forty-five thousand, three hundred sixty-four".