264780485 has 16 divisors (see below), whose sum is σ = 349004160. Its totient is φ = 191949120.

The previous prime is 264780431. The next prime is 264780487. The reversal of 264780485 is 584087462.

It is not a de Polignac number, because 264780485 - 2¹⁸ = 264518341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264780487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58406 + ... + 62775.

It is an arithmetic number, because the mean of its divisors is an integer number (21812760).

Almost surely, 2^264780485 is an apocalyptic number.

It is an amenable number.

264780485 is a deficient number, since it is larger than the sum of its proper divisors (84223675).

264780485 is a wasteful number, since it uses less digits than its factorization.

264780485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121228.

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 264780485 is about 16272.0768496219. The cubic root of 264780485 is about 642.1384239388.

The spelling of 264780485 in words is "two hundred sixty-four million, seven hundred eighty thousand, four hundred eighty-five".