264553502385 has 32 divisors (see below), whose sum is σ = 443157402240. Its totient is φ = 134588507648.

The previous prime is 264553502377. The next prime is 264553502399. The reversal of 264553502385 is 583205355462.

It is a cyclic number.

It is not a de Polignac number, because 264553502385 - 2³ = 264553502377 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3627564 + ... + 3699773.

It is an arithmetic number, because the mean of its divisors is an integer number (13848668820).

Almost surely, 2^264553502385 is an apocalyptic number.

It is an amenable number.

264553502385 is a deficient number, since it is larger than the sum of its proper divisors (178603899855).

264553502385 is a wasteful number, since it uses less digits than its factorization.

264553502385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7327457.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 264553502385 in words is "two hundred sixty-four billion, five hundred fifty-three million, five hundred two thousand, three hundred eighty-five".