2440002020242 has 8 divisors (see below), whose sum is σ = 3786210031500. Its totient is φ = 1177932009744.

The previous prime is 2440002020207. The next prime is 2440002020273. The reversal of 2440002020242 is 2420202000442.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2153735288721 + 286266731521 = 1467561^2 + 535039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21034500117 + ... + 21034500232.

Almost surely, 2^{2440002020242} is an apocalyptic number.

2440002020242 is a deficient number, since it is larger than the sum of its proper divisors (1346208011258).

2440002020242 is a wasteful number, since it uses less digits than its factorization.

2440002020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42069000380.

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

Adding to 2440002020242 its reverse (2420202000442), we get a palindrome (4860204020684).

The spelling of 2440002020242 in words is "two trillion, four hundred forty billion, two million, twenty thousand, two hundred forty-two".