1268607888 has 60 divisors (see below), whose sum is σ = 3552733548. Its totient is φ = 422584320.

The previous prime is 1268607817. The next prime is 1268607889. The reversal of 1268607888 is 8887068621.

1268607888 is a `hidden beast` number, since 1 + 26 + 8 + 607 + 8 + 8 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 759112704 + 509495184 = 27552^2 + 22572^2 .

It is not an unprimeable number, because it can be changed into a prime (1268607889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415648 + ... + 418688.

Almost surely, 2^1268607888 is an apocalyptic number.

1268607888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1268607888 is an abundant number, since it is smaller than the sum of its proper divisors (2284125660).

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

1268607888 is a wasteful number, since it uses less digits than its factorization.

1268607888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952 (or 5943 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The square root of 1268607888 is about 35617.5222046677. The cubic root of 1268607888 is about 1082.5363023879.

The spelling of 1268607888 in words is "one billion, two hundred sixty-eight million, six hundred seven thousand, eight hundred eighty-eight".