1442040738799 has 4 divisors (see below), whose sum is σ = 1442477856600. Its totient is φ = 1441603621000.

The previous prime is 1442040738781. The next prime is 1442040738823. The reversal of 1442040738799 is 9978370402441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1442040738799 - 2¹³ = 1442040730607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442040738739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218553952 + ... + 218560549.

It is an arithmetic number, because the mean of its divisors is an integer number (360619464150).

Almost surely, 2^{1442040738799} is an apocalyptic number.

1442040738799 is a deficient number, since it is larger than the sum of its proper divisors (437117801).

1442040738799 is an equidigital number, since it uses as much as digits as its factorization.

1442040738799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437117800.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 1442040738799 in words is "one trillion, four hundred forty-two billion, forty million, seven hundred thirty-eight thousand, seven hundred ninety-nine".