264499478 has 8 divisors (see below), whose sum is σ = 403473960. Its totient is φ = 130008160.

The previous prime is 264499427. The next prime is 264499483. The reversal of 264499478 is 874994462.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120643 + ... + 1120878.

It is an arithmetic number, because the mean of its divisors is an integer number (50434245).

Almost surely, 2^264499478 is an apocalyptic number.

264499478 is a deficient number, since it is larger than the sum of its proper divisors (138974482).

264499478 is a wasteful number, since it uses less digits than its factorization.

264499478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241582.

The product of its digits is 3483648, while the sum is 53.

The square root of 264499478 is about 16263.4399190331. The cubic root of 264499478 is about 641.9111800210.

The spelling of 264499478 in words is "two hundred sixty-four million, four hundred ninety-nine thousand, four hundred seventy-eight".