1264444316 has 12 divisors (see below), whose sum is σ = 2215984680. Its totient is φ = 631305840.

The previous prime is 1264444273. The next prime is 1264444331. The reversal of 1264444316 is 6134444621.

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, 225971 + ... + 231498.

It is an arithmetic number, because the mean of its divisors is an integer number (184665390).

Almost surely, 2^1264444316 is an apocalyptic number.

It is an amenable number.

1264444316 is a deficient number, since it is larger than the sum of its proper divisors (951540364).

1264444316 is a wasteful number, since it uses less digits than its factorization.

1264444316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458164 (or 458162 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 1264444316 is about 35559.0258021786. The cubic root of 1264444316 is about 1081.3507094273.

Adding to 1264444316 its reverse (6134444621), we get a palindrome (7398888937).

The spelling of 1264444316 in words is "one billion, two hundred sixty-four million, four hundred forty-four thousand, three hundred sixteen".