264621272676 has 72 divisors (see below), whose sum is σ = 652259954304. Its totient is φ = 83487343680.

The previous prime is 264621272651. The next prime is 264621272683. The reversal of 264621272676 is 676272126462.

264621272676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4750506 + ... + 4805886.

It is an arithmetic number, because the mean of its divisors is an integer number (9059166032).

Almost surely, 2^264621272676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264621272676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326129977152).

264621272676 is an abundant number, since it is smaller than the sum of its proper divisors (387638681628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264621272676 is a wasteful number, since it uses less digits than its factorization.

264621272676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56529 (or 56508 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 51.

The spelling of 264621272676 in words is "two hundred sixty-four billion, six hundred twenty-one million, two hundred seventy-two thousand, six hundred seventy-six".