264440441440652 has 12 divisors (see below), whose sum is σ = 462775229952000. Its totient is φ = 132218947168656.

The previous prime is 264440441440639. The next prime is 264440441440673. The reversal of 264440441440652 is 256044144044462.

It is a self number, because there is not a number n which added to its sum of digits gives 264440441440652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317920652 + ... + 318751347.

It is an arithmetic number, because the mean of its divisors is an integer number (38564602496000).

Almost surely, 2^{264440441440652} is an apocalyptic number.

It is an amenable number.

264440441440652 is a deficient number, since it is larger than the sum of its proper divisors (198334788511348).

264440441440652 is a wasteful number, since it uses less digits than its factorization.

264440441440652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636775840 (or 636775838 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 50.

The spelling of 264440441440652 in words is "two hundred sixty-four trillion, four hundred forty billion, four hundred forty-one million, four hundred forty thousand, six hundred fifty-two".