268237559952 has 60 divisors (see below), whose sum is σ = 759127400460. Its totient is φ = 88407880704.

The previous prime is 268237559923. The next prime is 268237559959. The reversal of 268237559952 is 259955732862.

268237559952 is a `hidden beast` number, since 2 + 6 + 8 + 2 + 37 + 5 + 599 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 163510244496 + 104727315456 = 404364^2 + 323616^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 268237559952.

It is not an unprimeable number, because it can be changed into a prime (268237559959) 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 11 ways as a sum of consecutive naturals, for example, 10452133 + ... + 10477764.

It is an arithmetic number, because the mean of its divisors is an integer number (12652123341).

Almost surely, 2^268237559952 is an apocalyptic number.

It is an amenable number.

268237559952 is an abundant number, since it is smaller than the sum of its proper divisors (490889840508).

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

268237559952 is a wasteful number, since it uses less digits than its factorization.

268237559952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20930000 (or 20929991 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 63.

The spelling of 268237559952 in words is "two hundred sixty-eight billion, two hundred thirty-seven million, five hundred fifty-nine thousand, nine hundred fifty-two".