264440303032127 has 4 divisors (see below), whose sum is σ = 264577106087880. Its totient is φ = 264303499976376.

The previous prime is 264440303032051. The next prime is 264440303032159. The reversal of 264440303032127 is 721230303044462.

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

It is a cyclic number.

It is not a de Polignac number, because 264440303032127 - 2⁸ = 264440303031871 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 (264443303032127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68401524977 + ... + 68401528842.

It is an arithmetic number, because the mean of its divisors is an integer number (66144276521970).

Almost surely, 2^{264440303032127} is an apocalyptic number.

264440303032127 is a deficient number, since it is larger than the sum of its proper divisors (136803055753).

264440303032127 is a wasteful number, since it uses less digits than its factorization.

264440303032127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136803055752.

The product of its (nonzero) digits is 580608, while the sum is 41.

Adding to 264440303032127 its reverse (721230303044462), we get a palindrome (985670606076589).

The spelling of 264440303032127 in words is "two hundred sixty-four trillion, four hundred forty billion, three hundred three million, thirty-two thousand, one hundred twenty-seven".