4440021321342 has 32 divisors (see below), whose sum is σ = 8969477605920. Its totient is φ = 1465106227200.

The previous prime is 4440021321331. The next prime is 4440021321427. The reversal of 4440021321342 is 2431231200444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2992134 + ... + 4222902.

It is an arithmetic number, because the mean of its divisors is an integer number (280296175185).

Almost surely, 2^{4440021321342} is an apocalyptic number.

4440021321342 is an abundant number, since it is smaller than the sum of its proper divisors (4529456284578).

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

4440021321342 is a wasteful number, since it uses less digits than its factorization.

4440021321342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236828.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 4440021321342 its reverse (2431231200444), we get a palindrome (6871252521786).

The spelling of 4440021321342 in words is "four trillion, four hundred forty billion, twenty-one million, three hundred twenty-one thousand, three hundred forty-two".