240085863 has 20 divisors (see below), whose sum is σ = 359573280. Its totient is φ = 159643872.

The previous prime is 240085847. The next prime is 240085871. The reversal of 240085863 is 368580042.

It is not a de Polignac number, because 240085863 - 2⁴ = 240085847 is a prime.

It is a super-2 number, since 2×240085863² = 115282443224909538, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240085163) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29506 + ... + 36752.

It is an arithmetic number, because the mean of its divisors is an integer number (17978664).

Almost surely, 2^240085863 is an apocalyptic number.

240085863 is a deficient number, since it is larger than the sum of its proper divisors (119487417).

240085863 is an equidigital number, since it uses as much as digits as its factorization.

240085863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7668 (or 7659 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 240085863 is about 15494.7043534235. The cubic root of 240085863 is about 621.5206024392.

The spelling of 240085863 in words is "two hundred forty million, eighty-five thousand, eight hundred sixty-three".