268412554057 has 8 divisors (see below), whose sum is σ = 273174749280. Its totient is φ = 263657453280.

The previous prime is 268412554043. The next prime is 268412554087. The reversal of 268412554057 is 750455214862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268412554057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268412554057.

It is not an unprimeable number, because it can be changed into a prime (268412554037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697244 + ... + 1848637.

It is an arithmetic number, because the mean of its divisors is an integer number (34146843660).

Almost surely, 2^268412554057 is an apocalyptic number.

It is an amenable number.

268412554057 is a deficient number, since it is larger than the sum of its proper divisors (4762195223).

268412554057 is a wasteful number, since it uses less digits than its factorization.

268412554057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547223.

The product of its (nonzero) digits is 2688000, while the sum is 49.

The spelling of 268412554057 in words is "two hundred sixty-eight billion, four hundred twelve million, five hundred fifty-four thousand, fifty-seven".