1264344334 has 16 divisors (see below), whose sum is σ = 2069881776. Its totient is φ = 574436800.

The previous prime is 1264344317. The next prime is 1264344371. The reversal of 1264344334 is 4334434621.

It is a self number, because there is not a number n which added to its sum of digits gives 1264344334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40314 + ... + 64450.

It is an arithmetic number, because the mean of its divisors is an integer number (129367611).

Almost surely, 2^1264344334 is an apocalyptic number.

1264344334 is a deficient number, since it is larger than the sum of its proper divisors (805537442).

1264344334 is a wasteful number, since it uses less digits than its factorization.

1264344334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26531.

The product of its digits is 82944, while the sum is 34.

The square root of 1264344334 is about 35557.6199147243. The cubic root of 1264344334 is about 1081.3222071951.

Adding to 1264344334 its reverse (4334434621), we get a palindrome (5598778955).

It can be divided in two parts, 12 and 64344334, that added together give a palindrome (64344346).

The spelling of 1264344334 in words is "one billion, two hundred sixty-four million, three hundred forty-four thousand, three hundred thirty-four".