1264465568 has 24 divisors (see below), whose sum is σ = 2547312768. Its totient is φ = 617529024.

The previous prime is 1264465537. The next prime is 1264465577. The reversal of 1264465568 is 8655644621.

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, 458096 + ... + 460847.

It is an arithmetic number, because the mean of its divisors is an integer number (106138032).

Almost surely, 2^1264465568 is an apocalyptic number.

It is an amenable number.

1264465568 is an abundant number, since it is smaller than the sum of its proper divisors (1282847200).

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

1264465568 is an equidigital number, since it uses as much as digits as its factorization.

1264465568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918996 (or 918988 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 47.

The square root of 1264465568 is about 35559.3246280072. The cubic root of 1264465568 is about 1081.3567676186.

The spelling of 1264465568 in words is "one billion, two hundred sixty-four million, four hundred sixty-five thousand, five hundred sixty-eight".