1264316444 has 12 divisors (see below), whose sum is σ = 2264008824. Its totient is φ = 617456784.

The previous prime is 1264316437. The next prime is 1264316461. The reversal of 1264316444 is 4446134621.

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, 3675167 + ... + 3675510.

It is an arithmetic number, because the mean of its divisors is an integer number (188667402).

Almost surely, 2^1264316444 is an apocalyptic number.

It is an amenable number.

1264316444 is a deficient number, since it is larger than the sum of its proper divisors (999692380).

1264316444 is a wasteful number, since it uses less digits than its factorization.

1264316444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350724 (or 7350722 counting only the distinct ones).

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

The square root of 1264316444 is about 35557.2277322066. The cubic root of 1264316444 is about 1081.3142562234.

The spelling of 1264316444 in words is "one billion, two hundred sixty-four million, three hundred sixteen thousand, four hundred forty-four".