1288276264 has 32 divisors (see below), whose sum is σ = 2642724000. Its totient is φ = 583888320.

The previous prime is 1288276261. The next prime is 1288276273. The reversal of 1288276264 is 4626728821.

It is not an unprimeable number, because it can be changed into a prime (1288276261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9739 + ... + 51685.

It is an arithmetic number, because the mean of its divisors is an integer number (82585125).

Almost surely, 2^1288276264 is an apocalyptic number.

It is an amenable number.

1288276264 is an abundant number, since it is smaller than the sum of its proper divisors (1354447736).

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

1288276264 is a wasteful number, since it uses less digits than its factorization.

1288276264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42313 (or 42309 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 1288276264 is about 35892.5655811897. The cubic root of 1288276264 is about 1088.1021498850.

The spelling of 1288276264 in words is "one billion, two hundred eighty-eight million, two hundred seventy-six thousand, two hundred sixty-four".