264864378 has 8 divisors (see below), whose sum is σ = 529728768. Its totient is φ = 88288124.

The previous prime is 264864329. The next prime is 264864401. The reversal of 264864378 is 873468462.

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

264864378 is an admirable number.

It is a Curzon 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, 22072026 + ... + 22072037.

It is an arithmetic number, because the mean of its divisors is an integer number (66216096).

Almost surely, 2^264864378 is an apocalyptic number.

264864378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

264864378 is a wasteful number, since it uses less digits than its factorization.

264864378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44144068.

The product of its digits is 1548288, while the sum is 48.

The square root of 264864378 is about 16274.6544663781. The cubic root of 264864378 is about 642.2062351174.

The spelling of 264864378 in words is "two hundred sixty-four million, eight hundred sixty-four thousand, three hundred seventy-eight".