240044240 has 20 divisors (see below), whose sum is σ = 558103044. Its totient is φ = 96017664.

The previous prime is 240044239. The next prime is 240044257. The reversal of 240044240 is 42440042.

It can be written as a sum of positive squares in 2 ways, for example, as 189007504 + 51036736 = 13748^2 + 7144^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500197 + ... + 1500356.

Almost surely, 2^240044240 is an apocalyptic number.

240044240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240044240 is an abundant number, since it is smaller than the sum of its proper divisors (318058804).

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

240044240 is a wasteful number, since it uses less digits than its factorization.

240044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000566 (or 3000560 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 240044240 is about 15493.3611588964. The cubic root of 240044240 is about 621.4846832798.

Adding to 240044240 its reverse (42440042), we get a palindrome (282484282).

The spelling of 240044240 in words is "two hundred forty million, forty-four thousand, two hundred forty".