268487005028 has 72 divisors (see below), whose sum is σ = 518829467520. Its totient is φ = 121478385600.

The previous prime is 268487005027. The next prime is 268487005051. The reversal of 268487005028 is 820500784862.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (268487005021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166451150 + ... + 166452762.

Almost surely, 2^268487005028 is an apocalyptic number.

It is an amenable number.

268487005028 is a deficient number, since it is larger than the sum of its proper divisors (250342462492).

268487005028 is a wasteful number, since it uses less digits than its factorization.

268487005028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 50.

The spelling of 268487005028 in words is "two hundred sixty-eight billion, four hundred eighty-seven million, five thousand, twenty-eight".