240144404 has 6 divisors (see below), whose sum is σ = 420252714. Its totient is φ = 120072200.

The previous prime is 240144391. The next prime is 240144407. The reversal of 240144404 is 404441042.

It can be written as a sum of positive squares in only one way, i.e., 239940100 + 204304 = 15490^2 + 452^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 240144404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240144407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30018047 + ... + 30018054.

It is an arithmetic number, because the mean of its divisors is an integer number (70042119).

Almost surely, 2^240144404 is an apocalyptic number.

It is an amenable number.

240144404 is a deficient number, since it is larger than the sum of its proper divisors (180108310).

240144404 is a wasteful number, since it uses less digits than its factorization.

240144404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60036105 (or 60036103 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 240144404 is about 15496.5933030457. The cubic root of 240144404 is about 621.5711142024.

Adding to 240144404 its reverse (404441042), we get a palindrome (644585446).

The spelling of 240144404 in words is "two hundred forty million, one hundred forty-four thousand, four hundred four".