240404444 has 12 divisors (see below), whose sum is σ = 480808944. Its totient is φ = 103030464.

The previous prime is 240404413. The next prime is 240404447. The reversal of 240404444 is 444404042.

It is a happy number.

240404444 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240404447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4292909 + ... + 4292964.

It is an arithmetic number, because the mean of its divisors is an integer number (40067412).

Almost surely, 2^240404444 is an apocalyptic number.

It is an amenable number.

240404444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

240404444 is a wasteful number, since it uses less digits than its factorization.

240404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8585884 (or 8585882 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 240404444 is about 15504.9812640970. The cubic root of 240404444 is about 621.7953890462.

Adding to 240404444 its reverse (444404042), we get a palindrome (684808486).

The spelling of 240404444 in words is "two hundred forty million, four hundred four thousand, four hundred forty-four".