1268572944 has 20 divisors (see below), whose sum is σ = 3277146896. Its totient is φ = 422857632.

The previous prime is 1268572939. The next prime is 1268572993. The reversal of 1268572944 is 4492758621.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 26428603 = 1268572944 / (1 + 2 + 6 + 8 + 5 + 7 + 2 + 9 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 1268572893 and 1268572902.

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, 13214254 + ... + 13214349.

Almost surely, 2^1268572944 is an apocalyptic number.

It is an amenable number.

1268572944 is an abundant number, since it is smaller than the sum of its proper divisors (2008573952).

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

1268572944 is a wasteful number, since it uses less digits than its factorization.

1268572944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26428614 (or 26428608 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 1268572944 is about 35617.0316562175. The cubic root of 1268572944 is about 1082.5263627535.

The spelling of 1268572944 in words is "one billion, two hundred sixty-eight million, five hundred seventy-two thousand, nine hundred forty-four".