240040444 has 24 divisors (see below), whose sum is σ = 481829600. Its totient is φ = 102499776.

The previous prime is 240040439. The next prime is 240040447. The reversal of 240040444 is 444040042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240040447) 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, 7719 + ... + 23230.

Almost surely, 2^240040444 is an apocalyptic number.

It is an amenable number.

240040444 is an abundant number, since it is smaller than the sum of its proper divisors (241789156).

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

240040444 is a wasteful number, since it uses less digits than its factorization.

240040444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31237 (or 31235 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 240040444 is about 15493.2386543292. The cubic root of 240040444 is about 621.4814072611.

Adding to 240040444 its reverse (444040042), we get a palindrome (684080486).

The spelling of 240040444 in words is "two hundred forty million, forty thousand, four hundred forty-four".