1443200321444 has 48 divisors (see below), whose sum is σ = 2889131245056. Its totient is φ = 617929622400.

The previous prime is 1443200321419. The next prime is 1443200321447. The reversal of 1443200321444 is 4441230023441.

It is a self number, because there is not a number n which added to its sum of digits gives 1443200321444.

It is not an unprimeable number, because it can be changed into a prime (1443200321447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164313077 + ... + 164321859.

It is an arithmetic number, because the mean of its divisors is an integer number (60190234272).

Almost surely, 2^{1443200321444} is an apocalyptic number.

1443200321444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1443200321444 is an abundant number, since it is smaller than the sum of its proper divisors (1445930923612).

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

1443200321444 is a wasteful number, since it uses less digits than its factorization.

1443200321444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13676 (or 13674 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1443200321444 its reverse (4441230023441), we get a palindrome (5884430344885).

The spelling of 1443200321444 in words is "one trillion, four hundred forty-three billion, two hundred million, three hundred twenty-one thousand, four hundred forty-four".