443240142420 has 96 divisors (see below), whose sum is σ = 1295791499520. Its totient is φ = 112992056320.

The previous prime is 443240142419. The next prime is 443240142451. The reversal of 443240142420 is 24241042344.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2281666 + ... + 2468294.

It is an arithmetic number, because the mean of its divisors is an integer number (13497828120).

Almost surely, 2^443240142420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 443240142420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647895749760).

443240142420 is an abundant number, since it is smaller than the sum of its proper divisors (852551357100).

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

443240142420 is a wasteful number, since it uses less digits than its factorization.

443240142420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188385 (or 188383 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 443240142420 its reverse (24241042344), we get a palindrome (467481184764).

The spelling of 443240142420 in words is "four hundred forty-three billion, two hundred forty million, one hundred forty-two thousand, four hundred twenty".