1042242444340 has 192 divisors, whose sum is σ = 2310703718400. Its totient is φ = 394503782400.

The previous prime is 1042242444311. The next prime is 1042242444421. The reversal of 1042242444340 is 434442422401.

It is a junction number, because it is equal to n+sod(n) for n = 1042242444296 and 1042242444305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2321252436 + ... + 2321252884.

It is an arithmetic number, because the mean of its divisors is an integer number (12034915200).

Almost surely, 2^{1042242444340} is an apocalyptic number.

1042242444340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042242444340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1155351859200).

1042242444340 is an abundant number, since it is smaller than the sum of its proper divisors (1268461274060).

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

1042242444340 is a wasteful number, since it uses less digits than its factorization.

1042242444340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 1042242444340 its reverse (434442422401), we get a palindrome (1476684866741).

The spelling of 1042242444340 in words is "one trillion, forty-two billion, two hundred forty-two million, four hundred forty-four thousand, three hundred forty".