264566800838 has 4 divisors (see below), whose sum is σ = 396850201260. Its totient is φ = 132283400418.

The previous prime is 264566800793. The next prime is 264566800853. The reversal of 264566800838 is 838008665462.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66141700208 + ... + 66141700211.

It is an arithmetic number, because the mean of its divisors is an integer number (99212550315).

Almost surely, 2^264566800838 is an apocalyptic number.

264566800838 is a deficient number, since it is larger than the sum of its proper divisors (132283400422).

264566800838 is a wasteful number, since it uses less digits than its factorization.

264566800838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132283400421.

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 264566800838 in words is "two hundred sixty-four billion, five hundred sixty-six million, eight hundred thousand, eight hundred thirty-eight".