1442663256250 has 48 divisors (see below), whose sum is σ = 2705775256800. Its totient is φ = 576861610000.

The previous prime is 1442663256227. The next prime is 1442663256257. The reversal of 1442663256250 is 526523662441.

It is a self number, because there is not a number n which added to its sum of digits gives 1442663256250.

It is not an unprimeable number, because it can be changed into a prime (1442663256257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18329481 + ... + 18408019.

It is an arithmetic number, because the mean of its divisors is an integer number (56370317850).

Almost surely, 2^{1442663256250} is an apocalyptic number.

1442663256250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442663256250 is a deficient number, since it is larger than the sum of its proper divisors (1263112000550).

1442663256250 is an frugal number, since it uses more digits than its factorization.

1442663256250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81505 (or 81485 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 1442663256250 in words is "one trillion, four hundred forty-two billion, six hundred sixty-three million, two hundred fifty-six thousand, two hundred fifty".