264406655 has 8 divisors (see below), whose sum is σ = 317671200. Its totient is φ = 211269856.

The previous prime is 264406651. The next prime is 264406673. The reversal of 264406655 is 556604462.

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 264406655 - 2² = 264406651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264406651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27320 + ... + 35709.

It is an arithmetic number, because the mean of its divisors is an integer number (39708900).

Almost surely, 2^264406655 is an apocalyptic number.

264406655 is a deficient number, since it is larger than the sum of its proper divisors (53264545).

264406655 is an equidigital number, since it uses as much as digits as its factorization.

264406655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63873.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 264406655 is about 16260.5859365522. The cubic root of 264406655 is about 641.8360808269.

The spelling of 264406655 in words is "two hundred sixty-four million, four hundred six thousand, six hundred fifty-five".