268228376136 has 96 divisors (see below), whose sum is σ = 836568532800. Its totient is φ = 76051647360.

The previous prime is 268228376123. The next prime is 268228376137. The reversal of 268228376136 is 631673822862.

268228376136 is a `hidden beast` number, since 268 + 2 + 2 + 8 + 376 + 1 + 3 + 6 = 666.

268228376136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (268228376137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1965271 + ... + 2097318.

It is an arithmetic number, because the mean of its divisors is an integer number (8714255550).

Almost surely, 2^268228376136 is an apocalyptic number.

It is an amenable number.

268228376136 is an abundant number, since it is smaller than the sum of its proper divisors (568340156664).

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

268228376136 is a wasteful number, since it uses less digits than its factorization.

268228376136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062739 (or 4062732 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 268228376136 in words is "two hundred sixty-eight billion, two hundred twenty-eight million, three hundred seventy-six thousand, one hundred thirty-six".