268226520 has 32 divisors (see below), whose sum is σ = 804679920. Its totient is φ = 71527040.

The previous prime is 268226507. The next prime is 268226521. The reversal of 268226520 is 25622862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268226521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117491 + ... + 1117730.

Almost surely, 2^268226520 is an apocalyptic number.

268226520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268226520 is an abundant number, since it is smaller than the sum of its proper divisors (536453400).

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

268226520 is a wasteful number, since it uses less digits than its factorization.

268226520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235235 (or 2235231 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 268226520 is about 16377.6225380853. The cubic root of 268226520 is about 644.9121687987.

The spelling of 268226520 in words is "two hundred sixty-eight million, two hundred twenty-six thousand, five hundred twenty".