1442863637728 has 12 divisors (see below), whose sum is σ = 2840637786840. Its totient is φ = 721431818848.

The previous prime is 1442863637671. The next prime is 1442863637729. The reversal of 1442863637728 is 8277363682441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442863637729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22544744308 + ... + 22544744371.

It is an arithmetic number, because the mean of its divisors is an integer number (236719815570).

Almost surely, 2^{1442863637728} is an apocalyptic number.

It is an amenable number.

1442863637728 is a deficient number, since it is larger than the sum of its proper divisors (1397774149112).

1442863637728 is an equidigital number, since it uses as much as digits as its factorization.

1442863637728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45089488689 (or 45089488681 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 61.

The spelling of 1442863637728 in words is "one trillion, four hundred forty-two billion, eight hundred sixty-three million, six hundred thirty-seven thousand, seven hundred twenty-eight".