268512428 has 12 divisors (see below), whose sum is σ = 473009712. Its totient is φ = 133366800.

The previous prime is 268512401. The next prime is 268512463. The reversal of 268512428 is 824215862.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 268512391 and 268512400.

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, 221675 + ... + 222882.

It is an arithmetic number, because the mean of its divisors is an integer number (39417476).

Almost surely, 2^268512428 is an apocalyptic number.

It is an amenable number.

268512428 is a deficient number, since it is larger than the sum of its proper divisors (204497284).

268512428 is a wasteful number, since it uses less digits than its factorization.

268512428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444712 (or 444710 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 268512428 is about 16386.3488306578. The cubic root of 268512428 is about 645.1412290146.

The spelling of 268512428 in words is "two hundred sixty-eight million, five hundred twelve thousand, four hundred twenty-eight".