1268488264 has 32 divisors (see below), whose sum is σ = 2438657280. Its totient is φ = 618287104.

The previous prime is 1268488237. The next prime is 1268488289. The reversal of 1268488264 is 4628848621.

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, 90069 + ... + 103195.

It is an arithmetic number, because the mean of its divisors is an integer number (76208040).

Almost surely, 2^1268488264 is an apocalyptic number.

It is an amenable number.

1268488264 is a deficient number, since it is larger than the sum of its proper divisors (1170169016).

1268488264 is a wasteful number, since it uses less digits than its factorization.

1268488264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13437 (or 13433 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 49.

The square root of 1268488264 is about 35615.8428792581. The cubic root of 1268488264 is about 1082.5022752220.

The spelling of 1268488264 in words is "one billion, two hundred sixty-eight million, four hundred eighty-eight thousand, two hundred sixty-four".