268762564044 has 72 divisors (see below), whose sum is σ = 731718383760. Its totient is φ = 82686344832.

The previous prime is 268762564043. The next prime is 268762564097. The reversal of 268762564044 is 440465267862.

It is a happy number.

268762564044 is a `hidden beast` number, since 2 + 6 + 8 + 7 + 625 + 6 + 4 + 0 + 4 + 4 = 666.

268762564044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (268762564043) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4570759 + ... + 4629185.

It is an arithmetic number, because the mean of its divisors is an integer number (10162755330).

Almost surely, 2^268762564044 is an apocalyptic number.

It is an amenable number.

268762564044 is an abundant number, since it is smaller than the sum of its proper divisors (462955819716).

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

268762564044 is a wasteful number, since it uses less digits than its factorization.

268762564044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68279 (or 68274 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 268762564044 in words is "two hundred sixty-eight billion, seven hundred sixty-two million, five hundred sixty-four thousand, forty-four".