240639895228 has 12 divisors (see below), whose sum is σ = 428257441080. Its totient is φ = 118280626352.

The previous prime is 240639895213. The next prime is 240639895241. The reversal of 240639895228 is 822598936042.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509830051 + ... + 509830522.

It is an arithmetic number, because the mean of its divisors is an integer number (35688120090).

Almost surely, 2^240639895228 is an apocalyptic number.

It is an amenable number.

240639895228 is a deficient number, since it is larger than the sum of its proper divisors (187617545852).

240639895228 is a wasteful number, since it uses less digits than its factorization.

240639895228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019660636 (or 1019660634 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 240639895228 in words is "two hundred forty billion, six hundred thirty-nine million, eight hundred ninety-five thousand, two hundred twenty-eight".