1442863081552 has 20 divisors (see below), whose sum is σ = 2795728629376. Its totient is φ = 721384725600.

The previous prime is 1442863081549. The next prime is 1442863081559. The reversal of 1442863081552 is 2551803682441.

It is a junction number, because it is equal to n+sod(n) for n = 1442863081496 and 1442863081505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442863081559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2671008 + ... + 3165439.

Almost surely, 2^{1442863081552} is an apocalyptic number.

It is an amenable number.

1442863081552 is a deficient number, since it is larger than the sum of its proper divisors (1352865547824).

1442863081552 is a wasteful number, since it uses less digits than its factorization.

1442863081552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851906 (or 5851900 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 1442863081552 in words is "one trillion, four hundred forty-two billion, eight hundred sixty-three million, eighty-one thousand, five hundred fifty-two".