268467870 has 64 divisors (see below), whose sum is σ = 710228736. Its totient is φ = 64404480.

The previous prime is 268467841. The next prime is 268467889. The reversal of 268467870 is 78764862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27817 + ... + 36203.

It is an arithmetic number, because the mean of its divisors is an integer number (11097324).

Almost surely, 2^268467870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268467870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355114368).

268467870 is an abundant number, since it is smaller than the sum of its proper divisors (441760866).

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

268467870 is a wasteful number, since it uses less digits than its factorization.

268467870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8505.

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 268467870 is about 16384.9891669174. The cubic root of 268467870 is about 645.1055412895.

It can be divided in two parts, 26846 and 7870, that added together give a triangular number (34716 = T₂₆₃).

The spelling of 268467870 in words is "two hundred sixty-eight million, four hundred sixty-seven thousand, eight hundred seventy".