268535429244 has 36 divisors (see below), whose sum is σ = 678828543120. Its totient is φ = 89507767680.

The previous prime is 268535429209. The next prime is 268535429249. The reversal of 268535429244 is 442924535862.

268535429244 is a `hidden beast` number, since 2 + 6 + 8 + 5 + 3 + 542 + 92 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×268535429244² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268535429249) 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 11 ways as a sum of consecutive naturals, for example, 701412 + ... + 1014420.

It is an arithmetic number, because the mean of its divisors is an integer number (18856348420).

Almost surely, 2^268535429244 is an apocalyptic number.

It is an amenable number.

268535429244 is an abundant number, since it is smaller than the sum of its proper divisors (410293113876).

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

268535429244 is a wasteful number, since it uses less digits than its factorization.

268535429244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336850 (or 336845 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 54.

The spelling of 268535429244 in words is "two hundred sixty-eight billion, five hundred thirty-five million, four hundred twenty-nine thousand, two hundred forty-four".