2140242113442 has 32 divisors (see below), whose sum is σ = 4283900902080. Its totient is φ = 712844827200.

The previous prime is 2140242113441. The next prime is 2140242113473. The reversal of 2140242113442 is 2443112420412.

It is not an unprimeable number, because it can be changed into a prime (2140242113441) 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, 39881484 + ... + 39935112.

It is an arithmetic number, because the mean of its divisors is an integer number (133871903190).

Almost surely, 2^{2140242113442} is an apocalyptic number.

2140242113442 is an abundant number, since it is smaller than the sum of its proper divisors (2143658788638).

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

2140242113442 is a wasteful number, since it uses less digits than its factorization.

2140242113442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58818.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 2140242113442 its reverse (2443112420412), we get a palindrome (4583354533854).

The spelling of 2140242113442 in words is "two trillion, one hundred forty billion, two hundred forty-two million, one hundred thirteen thousand, four hundred forty-two".