268652436 has 24 divisors (see below), whose sum is σ = 675075744. Its totient is φ = 82662240.

The previous prime is 268652431. The next prime is 268652437. The reversal of 268652436 is 634256862.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268652431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860910 + ... + 861221.

It is an arithmetic number, because the mean of its divisors is an integer number (28128156).

Almost surely, 2^268652436 is an apocalyptic number.

268652436 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

268652436 is an abundant number, since it is smaller than the sum of its proper divisors (406423308).

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

268652436 is a wasteful number, since it uses less digits than its factorization.

268652436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722151 (or 1722149 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 268652436 is about 16390.6203665389. The cubic root of 268652436 is about 645.2533395778.

The spelling of 268652436 in words is "two hundred sixty-eight million, six hundred fifty-two thousand, four hundred thirty-six".