2842724137444 has 27 divisors (see below), whose sum is σ = 5200607452873. Its totient is φ = 1359526625072.

The previous prime is 2842724137433. The next prime is 2842724137457. The reversal of 2842724137444 is 4447314272482.

The square root of 2842724137444 is 1686038.

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., 1139406804900 + 1703317332544 = 1067430^2 + 1305112^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2842724137391 and 2842724137400.

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, 77539422 + ... + 77576074.

Almost surely, 2^{2842724137444} is an apocalyptic number.

2842724137444 is the 1686038-th square number.

It is an amenable number.

2842724137444 is a deficient number, since it is larger than the sum of its proper divisors (2357883315429).

2842724137444 is an frugal number, since it uses more digits than its factorization.

2842724137444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73356 (or 36678 counting only the distinct ones).

The product of its digits is 9633792, while the sum is 52.

The spelling of 2842724137444 in words is "two trillion, eight hundred forty-two billion, seven hundred twenty-four million, one hundred thirty-seven thousand, four hundred forty-four".