268522428 has 12 divisors (see below), whose sum is σ = 626552360. Its totient is φ = 89507472.

The previous prime is 268522417. The next prime is 268522439. The reversal of 268522428 is 824225862.

It is an interprime number because it is at equal distance from previous prime (268522417) and next prime (268522439).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11188423 + ... + 11188446.

Almost surely, 2^268522428 is an apocalyptic number.

It is an amenable number.

268522428 is an abundant number, since it is smaller than the sum of its proper divisors (358029932).

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

268522428 is a wasteful number, since it uses less digits than its factorization.

268522428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22376876 (or 22376874 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 268522428 is about 16386.6539598540. The cubic root of 268522428 is about 645.1492377466.

The spelling of 268522428 in words is "two hundred sixty-eight million, five hundred twenty-two thousand, four hundred twenty-eight".