1260440764 has 12 divisors (see below), whose sum is σ = 2406296088. Its totient is φ = 572927600.

The previous prime is 1260440747. The next prime is 1260440771. The reversal of 1260440764 is 4670440621.

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, 14323147 + ... + 14323234.

It is an arithmetic number, because the mean of its divisors is an integer number (200524674).

Almost surely, 2^1260440764 is an apocalyptic number.

It is an amenable number.

1260440764 is a deficient number, since it is larger than the sum of its proper divisors (1145855324).

1260440764 is a wasteful number, since it uses less digits than its factorization.

1260440764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28646396 (or 28646394 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 1260440764 is about 35502.6867152333. The cubic root of 1260440764 is about 1080.2082257405.

The spelling of 1260440764 in words is "one billion, two hundred sixty million, four hundred forty thousand, seven hundred sixty-four".