1442022421404 has 96 divisors (see below), whose sum is σ = 3556088596480. Its totient is φ = 453541249728.

The previous prime is 1442022421403. The next prime is 1442022421453. The reversal of 1442022421404 is 4041242202441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442022421403) 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, 170790807 + ... + 170799249.

Almost surely, 2^{1442022421404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442022421404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1778044298240).

1442022421404 is an abundant number, since it is smaller than the sum of its proper divisors (2114066175076).

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

1442022421404 is a wasteful number, since it uses less digits than its factorization.

1442022421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11399 (or 11397 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 1442022421404 its reverse (4041242202441), we get a palindrome (5483264623845).

The spelling of 1442022421404 in words is "one trillion, four hundred forty-two billion, twenty-two million, four hundred twenty-one thousand, four hundred four".