264109478 has 16 divisors (see below), whose sum is σ = 407305584. Its totient is φ = 128348640.

The previous prime is 264109471. The next prime is 264109487. The reversal of 264109478 is 874901462.

264109478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264109471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122288 + ... + 124428.

It is an arithmetic number, because the mean of its divisors is an integer number (25456599).

Almost surely, 2^264109478 is an apocalyptic number.

264109478 is a deficient number, since it is larger than the sum of its proper divisors (143196106).

264109478 is a wasteful number, since it uses less digits than its factorization.

264109478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 264109478 is about 16251.4454126395. The cubic root of 264109478 is about 641.5955291089.

The spelling of 264109478 in words is "two hundred sixty-four million, one hundred nine thousand, four hundred seventy-eight".