1274445264 has 20 divisors (see below), whose sum is σ = 3292317056. Its totient is φ = 424815072.

The previous prime is 1274445259. The next prime is 1274445287. The reversal of 1274445264 is 4625444721.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13275424 + ... + 13275519.

Almost surely, 2^1274445264 is an apocalyptic number.

It is an amenable number.

1274445264 is an abundant number, since it is smaller than the sum of its proper divisors (2017871792).

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

1274445264 is a wasteful number, since it uses less digits than its factorization.

1274445264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26550954 (or 26550948 counting only the distinct ones).

The product of its digits is 215040, while the sum is 39.

The square root of 1274445264 is about 35699.3734398799. The cubic root of 1274445264 is about 1084.1941573853.

Adding to 1274445264 its reverse (4625444721), we get a palindrome (5899889985).

The spelling of 1274445264 in words is "one billion, two hundred seventy-four million, four hundred forty-five thousand, two hundred sixty-four".