268021956 has 24 divisors (see below), whose sum is σ = 628532800. Its totient is φ = 88890912.

The previous prime is 268021933. The next prime is 268022003. The reversal of 268021956 is 659120862.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53731 + ... + 58506.

Almost surely, 2^268021956 is an apocalyptic number.

It is an amenable number.

268021956 is an abundant number, since it is smaller than the sum of its proper divisors (360510844).

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

268021956 is a wasteful number, since it uses less digits than its factorization.

268021956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112443 (or 112441 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 268021956 is about 16371.3761180910. The cubic root of 268021956 is about 644.7481788435.

The spelling of 268021956 in words is "two hundred sixty-eight million, twenty-one thousand, nine hundred fifty-six".