264508805 has 8 divisors (see below), whose sum is σ = 346266144. Its totient is φ = 192370000.

The previous prime is 264508787. The next prime is 264508807. The reversal of 264508805 is 508805462.

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

It is not a de Polignac number, because 264508805 - 2¹⁶ = 264443269 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 (264508807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2404571 + ... + 2404680.

It is an arithmetic number, because the mean of its divisors is an integer number (43283268).

Almost surely, 2^264508805 is an apocalyptic number.

It is an amenable number.

264508805 is a deficient number, since it is larger than the sum of its proper divisors (81757339).

264508805 is a wasteful number, since it uses less digits than its factorization.

264508805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809267.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 264508805 is about 16263.7266639599. The cubic root of 264508805 is about 641.9187251338.

The spelling of 264508805 in words is "two hundred sixty-four million, five hundred eight thousand, eight hundred five".