264560478 has 32 divisors (see below), whose sum is σ = 651227136. Its totient is φ = 69774048.

The previous prime is 264560453. The next prime is 264560521. The reversal of 264560478 is 874065462.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241726 + ... + 242817.

It is an arithmetic number, because the mean of its divisors is an integer number (20350848).

Almost surely, 2^264560478 is an apocalyptic number.

264560478 is an abundant number, since it is smaller than the sum of its proper divisors (386666658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264560478 is a wasteful number, since it uses less digits than its factorization.

264560478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484568.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 264560478 is about 16265.3151829284. The cubic root of 264560478 is about 641.9605229945.

The spelling of 264560478 in words is "two hundred sixty-four million, five hundred sixty thousand, four hundred seventy-eight".