1042342442442 has 64 divisors (see below), whose sum is σ = 2648122444800. Its totient is φ = 297710478000.

The previous prime is 1042342442411. The next prime is 1042342442443. The reversal of 1042342442442 is 2442442432401.

It is a junction number, because it is equal to n+sod(n) for n = 1042342442397 and 1042342442406.

It is not an unprimeable number, because it can be changed into a prime (1042342442443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641817 + ... + 1580067.

It is an arithmetic number, because the mean of its divisors is an integer number (41376913200).

Almost surely, 2^{1042342442442} is an apocalyptic number.

1042342442442 is an abundant number, since it is smaller than the sum of its proper divisors (1605780002358).

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

1042342442442 is a wasteful number, since it uses less digits than its factorization.

1042342442442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941208 (or 941202 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 1042342442442 its reverse (2442442432401), we get a palindrome (3484784874843).

The spelling of 1042342442442 in words is "one trillion, forty-two billion, three hundred forty-two million, four hundred forty-two thousand, four hundred forty-two".