1443303216340 has 24 divisors (see below), whose sum is σ = 3047869369440. Its totient is φ = 574096026528.

The previous prime is 1443303216293. The next prime is 1443303216347. The reversal of 1443303216340 is 436123033441.

It is a junction number, because it is equal to n+sod(n) for n = 1443303216296 and 1443303216305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443303216347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201575082 + ... + 201582241.

It is an arithmetic number, because the mean of its divisors is an integer number (126994557060).

Almost surely, 2^{1443303216340} is an apocalyptic number.

1443303216340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1443303216340 is an abundant number, since it is smaller than the sum of its proper divisors (1604566153100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1443303216340 is a wasteful number, since it uses less digits than its factorization.

1443303216340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403157511 (or 403157509 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 1443303216340 its reverse (436123033441), we get a palindrome (1879426249781).

The spelling of 1443303216340 in words is "one trillion, four hundred forty-three billion, three hundred three million, two hundred sixteen thousand, three hundred forty".