268157712 has 80 divisors (see below), whose sum is σ = 718079040. Its totient is φ = 86169600.

The previous prime is 268157653. The next prime is 268157717. The reversal of 268157712 is 217751862.

It is not an unprimeable number, because it can be changed into a prime (268157717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174387 + ... + 175917.

It is an arithmetic number, because the mean of its divisors is an integer number (8975988).

Almost surely, 2^268157712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268157712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359039520).

268157712 is an abundant number, since it is smaller than the sum of its proper divisors (449921328).

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

268157712 is a wasteful number, since it uses less digits than its factorization.

268157712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1666 counting only the distinct ones).

The product of its digits is 47040, while the sum is 39.

The square root of 268157712 is about 16375.5217321464. The cubic root of 268157712 is about 644.8570177625.

The spelling of 268157712 in words is "two hundred sixty-eight million, one hundred fifty-seven thousand, seven hundred twelve".