1442718081424 has 45 divisors (see below), whose sum is σ = 2856452521537. Its totient is φ = 705900471872.

The previous prime is 1442718081401. The next prime is 1442718081433. The reversal of 1442718081424 is 4241808172441.

The square root of 1442718081424 is 1201132.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4061767824 + 1438656313600 = 63732^2 + 1199440^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 225809622 + ... + 225816010.

Almost surely, 2^{1442718081424} is an apocalyptic number.

1442718081424 is the 1201132-nd square number.

It is an amenable number.

1442718081424 is a deficient number, since it is larger than the sum of its proper divisors (1413734440113).

1442718081424 is an frugal number, since it uses more digits than its factorization.

1442718081424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12880 (or 6438 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 46.

The spelling of 1442718081424 in words is "one trillion, four hundred forty-two billion, seven hundred eighteen million, eighty-one thousand, four hundred twenty-four".