1443421120204 has 72 divisors (see below), whose sum is σ = 3059354025728. Its totient is φ = 583387116480.

The previous prime is 1443421120201. The next prime is 1443421120213. The reversal of 1443421120204 is 4020211243441.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1443421120201) 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 23 ways as a sum of consecutive naturals, for example, 299809 + ... + 1725319.

Almost surely, 2^{1443421120204} is an apocalyptic number.

1443421120204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1443421120204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529677012864).

1443421120204 is an abundant number, since it is smaller than the sum of its proper divisors (1615932905524).

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

1443421120204 is a wasteful number, since it uses less digits than its factorization.

1443421120204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425623 (or 1425592 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1443421120204 its reverse (4020211243441), we get a palindrome (5463632363645).

The spelling of 1443421120204 in words is "one trillion, four hundred forty-three billion, four hundred twenty-one million, one hundred twenty thousand, two hundred four".