2142240332442 has 48 divisors (see below), whose sum is σ = 5078025253152. Its totient is φ = 600520196640.

The previous prime is 2142240332429. The next prime is 2142240332471. The reversal of 2142240332442 is 2442330422412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68725284 + ... + 68756447.

It is an arithmetic number, because the mean of its divisors is an integer number (105792192774).

Almost surely, 2^{2142240332442} is an apocalyptic number.

2142240332442 is an abundant number, since it is smaller than the sum of its proper divisors (2935784920710).

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

2142240332442 is a wasteful number, since it uses less digits than its factorization.

2142240332442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137481803 (or 137481796 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 2142240332442 its reverse (2442330422412), we get a palindrome (4584570754854).

The spelling of 2142240332442 in words is "two trillion, one hundred forty-two billion, two hundred forty million, three hundred thirty-two thousand, four hundred forty-two".