240004040 has 16 divisors (see below), whose sum is σ = 540009180. Its totient is φ = 96001600.

The previous prime is 240004033. The next prime is 240004049. The reversal of 240004040 is 40400042.

240004040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 218862436 + 21141604 = 14794^2 + 4598^2 .

It is not an unprimeable number, because it can be changed into a prime (240004049) 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, 3000011 + ... + 3000090.

Almost surely, 2^240004040 is an apocalyptic number.

240004040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240004040 is an abundant number, since it is smaller than the sum of its proper divisors (300005140).

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

240004040 is a wasteful number, since it uses less digits than its factorization.

240004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000112 (or 6000108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 240004040 is about 15492.0637747203. The cubic root of 240004040 is about 621.4499881766.

Adding to 240004040 its reverse (40400042), we get a palindrome (280404082).

The spelling of 240004040 in words is "two hundred forty million, four thousand, forty".