2440004242 has 32 divisors (see below), whose sum is σ = 3994628400. Its totient is φ = 1111047168.

The previous prime is 2440004239. The next prime is 2440004249. The reversal of 2440004242 is 2424000442.

It can be written as a sum of positive squares in 8 ways, for example, as 6456681 + 2433547561 = 2541^2 + 49331^2 .

It is not an unprimeable number, because it can be changed into a prime (2440004249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426884 + ... + 1428592.

Almost surely, 2^2440004242 is an apocalyptic number.

2440004242 is a deficient number, since it is larger than the sum of its proper divisors (1554624158).

2440004242 is a wasteful number, since it uses less digits than its factorization.

2440004242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430.

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

The square root of 2440004242 is about 49396.3990792851. The cubic root of 2440004242 is about 1346.2638796231.

Adding to 2440004242 its reverse (2424000442), we get a palindrome (4864004684).

The spelling of 2440004242 in words is "two billion, four hundred forty million, four thousand, two hundred forty-two".