268428908425 has 12 divisors (see below), whose sum is σ = 332977108240. Its totient is φ = 214662312720.

The previous prime is 268428908417. The next prime is 268428908441. The reversal of 268428908425 is 524809824862.

It is not a de Polignac number, because 268428908425 - 2³ = 268428908417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268428908425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1952547 + ... + 2085496.

Almost surely, 2^268428908425 is an apocalyptic number.

268428908425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

268428908425 is a deficient number, since it is larger than the sum of its proper divisors (64548199815).

268428908425 is a wasteful number, since it uses less digits than its factorization.

268428908425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040712 (or 4040707 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 58.

The spelling of 268428908425 in words is "two hundred sixty-eight billion, four hundred twenty-eight million, nine hundred eight thousand, four hundred twenty-five".