264896240221 has 8 divisors (see below), whose sum is σ = 265639262400. Its totient is φ = 264153684000.

The previous prime is 264896240207. The next prime is 264896240249. The reversal of 264896240221 is 122042698462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264896240221 - 2⁹ = 264896239709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264896241221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1038096 + ... + 1267846.

It is an arithmetic number, because the mean of its divisors is an integer number (33204907800).

Almost surely, 2^264896240221 is an apocalyptic number.

It is an amenable number.

264896240221 is a deficient number, since it is larger than the sum of its proper divisors (743022179).

264896240221 is a wasteful number, since it uses less digits than its factorization.

264896240221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232979.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 264896240221 in words is "two hundred sixty-four billion, eight hundred ninety-six million, two hundred forty thousand, two hundred twenty-one".