240641328 has 40 divisors (see below), whose sum is σ = 622245888. Its totient is φ = 80137792.

The previous prime is 240641321. The next prime is 240641329. The reversal of 240641328 is 823146042.

It is a junction number, because it is equal to n+sod(n) for n = 240641295 and 240641304.

It is not an unprimeable number, because it can be changed into a prime (240641321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74401 + ... + 77567.

Almost surely, 2^240641328 is an apocalyptic number.

It is an amenable number.

240641328 is an abundant number, since it is smaller than the sum of its proper divisors (381604560).

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

240641328 is a wasteful number, since it uses less digits than its factorization.

240641328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761 (or 4755 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 240641328 is about 15512.6183476549. The cubic root of 240641328 is about 621.9995519756. Note that the first 3 decimals are identical.

It can be divided in two parts, 2406 and 41328, that added together give a palindrome (43734).

The spelling of 240641328 in words is "two hundred forty million, six hundred forty-one thousand, three hundred twenty-eight".