240545638 has 8 divisors (see below), whose sum is σ = 376506288. Its totient is φ = 115043544.

The previous prime is 240545609. The next prime is 240545639. The reversal of 240545638 is 836545042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 240545597 and 240545606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240545639) by changing a digit.

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, 2614581 + ... + 2614672.

It is an arithmetic number, because the mean of its divisors is an integer number (47063286).

Almost surely, 2^240545638 is an apocalyptic number.

240545638 is a deficient number, since it is larger than the sum of its proper divisors (135960650).

240545638 is a wasteful number, since it uses less digits than its factorization.

240545638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5229278.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 240545638 is about 15509.5337776479. The cubic root of 240545638 is about 621.9170958869.

It can be divided in two parts, 24054 and 5638, that added together give a palindrome (29692).

The spelling of 240545638 in words is "two hundred forty million, five hundred forty-five thousand, six hundred thirty-eight".