2440002543242 has 16 divisors (see below), whose sum is σ = 3992760218592. Its totient is φ = 1109084069520.

The previous prime is 2440002543241. The next prime is 2440002543259. The reversal of 2440002543242 is 2423452000442.

It is a super-2 number, since 2×2440002543242² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2440002543199 and 2440002543208.

It is not an unprimeable number, because it can be changed into a prime (2440002543241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3619013 + ... + 4239959.

It is an arithmetic number, because the mean of its divisors is an integer number (249547513662).

Almost surely, 2^{2440002543242} is an apocalyptic number.

2440002543242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2440002543242 is a deficient number, since it is larger than the sum of its proper divisors (1552757675350).

2440002543242 is a wasteful number, since it uses less digits than its factorization.

2440002543242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799573.

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 2440002543242 its reverse (2423452000442), we get a palindrome (4863454543684).

The spelling of 2440002543242 in words is "two trillion, four hundred forty billion, two million, five hundred forty-three thousand, two hundred forty-two".