864240268 has 12 divisors (see below), whose sum is σ = 1512856072. Its totient is φ = 431995680.

The previous prime is 864240259. The next prime is 864240269. The reversal of 864240268 is 862042468.

It is a super-2 number, since 2×864240268² = 1493822481665423648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 864240268.

It is not an unprimeable number, because it can be changed into a prime (864240269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14505 + ... + 44032.

Almost surely, 2^864240268 is an apocalyptic number.

It is an amenable number.

864240268 is a deficient number, since it is larger than the sum of its proper divisors (648615804).

864240268 is a wasteful number, since it uses less digits than its factorization.

864240268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62232 (or 62230 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 864240268 is about 29397.9636709756. The cubic root of 864240268 is about 952.5289104233.

The spelling of 864240268 in words is "eight hundred sixty-four million, two hundred forty thousand, two hundred sixty-eight".