1442213441556 has 48 divisors (see below), whose sum is σ = 3375130961664. Its totient is φ = 479314786176.

The previous prime is 1442213441519. The next prime is 1442213441569. The reversal of 1442213441556 is 6551443122441.

It is a super-2 number, since 2×1442213441556² (a number of 25 digits) contains 22 as substring.

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, 16638826 + ... + 16725278.

It is an arithmetic number, because the mean of its divisors is an integer number (70315228368).

Almost surely, 2^{1442213441556} is an apocalyptic number.

It is an amenable number.

1442213441556 is an abundant number, since it is smaller than the sum of its proper divisors (1932917520108).

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

1442213441556 is a wasteful number, since it uses less digits than its factorization.

1442213441556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90560 (or 90558 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

Adding to 1442213441556 its reverse (6551443122441), we get a palindrome (7993656563997).

The spelling of 1442213441556 in words is "one trillion, four hundred forty-two billion, two hundred thirteen million, four hundred forty-one thousand, five hundred fifty-six".