1268862648 has 16 divisors (see below), whose sum is σ = 3172156680. Its totient is φ = 422954208.

The previous prime is 1268862631. The next prime is 1268862653. The reversal of 1268862648 is 8462688621.

It is a super-2 number, since 2×1268862648² = 3220024838979143808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1268862648.

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, 26434615 + ... + 26434662.

Almost surely, 2^1268862648 is an apocalyptic number.

It is an amenable number.

1268862648 is an abundant number, since it is smaller than the sum of its proper divisors (1903294032).

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

1268862648 is a wasteful number, since it uses less digits than its factorization.

1268862648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52869286 (or 52869282 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 51.

The square root of 1268862648 is about 35621.0983547672. The cubic root of 1268862648 is about 1082.6087619956.

The spelling of 1268862648 in words is "one billion, two hundred sixty-eight million, eight hundred sixty-two thousand, six hundred forty-eight".