2440340000042 has 16 divisors (see below), whose sum is σ = 4213536694080. Its totient is φ = 1038335826528.

The previous prime is 2440340000041. The next prime is 2440340000081. The reversal of 2440340000042 is 2400000430442.

It is a junction number, because it is equal to n+sod(n) for n = 2440339999972 and 2440340000017.

It is not an unprimeable number, because it can be changed into a prime (2440340000041) 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, 627012443 + ... + 627016334.

It is an arithmetic number, because the mean of its divisors is an integer number (263346043380).

Almost surely, 2^{2440340000042} is an apocalyptic number.

2440340000042 is a deficient number, since it is larger than the sum of its proper divisors (1773196694038).

2440340000042 is a wasteful number, since it uses less digits than its factorization.

2440340000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254028925.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 2440340000042 its reverse (2400000430442), we get a palindrome (4840340430484).

The spelling of 2440340000042 in words is "two trillion, four hundred forty billion, three hundred forty million, forty-two", and thus it is an aban number.