1002040243242 has 32 divisors (see below), whose sum is σ = 2054961206592. Its totient is φ = 325636084224.

The previous prime is 1002040243241. The next prime is 1002040243261. The reversal of 1002040243242 is 2423420402001.

It is not an unprimeable number, because it can be changed into a prime (1002040243241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12809653 + ... + 12887640.

It is an arithmetic number, because the mean of its divisors is an integer number (64217537706).

Almost surely, 2^{1002040243242} is an apocalyptic number.

1002040243242 is an abundant number, since it is smaller than the sum of its proper divisors (1052920963350).

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

1002040243242 is a wasteful number, since it uses less digits than its factorization.

1002040243242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25697462.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1002040243242 its reverse (2423420402001), we get a palindrome (3425460645243).

The spelling of 1002040243242 in words is "one trillion, two billion, forty million, two hundred forty-three thousand, two hundred forty-two".