1442883842401 has 3 divisors (see below), whose sum is σ = 1442885043603. Its totient is φ = 1442882641200.

The previous prime is 1442883842383. The next prime is 1442883842437. The reversal of 1442883842401 is 1042483882441.

The square root of 1442883842401 is 1201201.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 773694400801 + 669189441600 = 879599^2 + 818040^2 .

It is not a de Polignac number, because 1442883842401 - 2¹¹ = 1442883840353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442883842501) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 600601 + ... + 1801801.

It is an arithmetic number, because the mean of its divisors is an integer number (480961681201).

Almost surely, 2^{1442883842401} is an apocalyptic number.

1442883842401 is the 1201201-st square number.

1442883842401 is the 600601-st centered octagonal number.

It is an amenable number.

1442883842401 is a deficient number, since it is larger than the sum of its proper divisors (1201202).

1442883842401 is an frugal number, since it uses more digits than its factorization.

1442883842401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402402 (or 1201201 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 49.

Multiplying 1442883842401 by its sum of digits (49), we get a square (70701308277649 = 8408407²).

The spelling of 1442883842401 in words is "one trillion, four hundred forty-two billion, eight hundred eighty-three million, eight hundred forty-two thousand, four hundred one".