1442243421234 has 192 divisors, whose sum is σ = 4141590635520. Its totient is φ = 351378000000.

The previous prime is 1442243421193. The next prime is 1442243421259. The reversal of 1442243421234 is 4321243422441.

1442243421234 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 2 + 434 + 212 + 3 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2388609 + ... + 2930859.

It is an arithmetic number, because the mean of its divisors is an integer number (21570784560).

Almost surely, 2^{1442243421234} is an apocalyptic number.

1442243421234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442243421234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2070795317760).

1442243421234 is an abundant number, since it is smaller than the sum of its proper divisors (2699347214286).

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

1442243421234 is a wasteful number, since it uses less digits than its factorization.

1442243421234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542397 (or 542394 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

Adding to 1442243421234 its reverse (4321243422441), we get a palindrome (5763486843675).

The spelling of 1442243421234 in words is "one trillion, four hundred forty-two billion, two hundred forty-three million, four hundred twenty-one thousand, two hundred thirty-four".