443444001020 has 24 divisors (see below), whose sum is σ = 931249735584. Its totient is φ = 177374298816.

The previous prime is 443444000971. The next prime is 443444001071. The reversal of 443444001020 is 20100444344.

It is a happy number.

It is a super-2 number, since 2×443444001020² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095257 + ... + 1444463.

It is an arithmetic number, because the mean of its divisors is an integer number (38802072316).

Almost surely, 2^443444001020 is an apocalyptic number.

It is an amenable number.

443444001020 is an abundant number, since it is smaller than the sum of its proper divisors (487805734564).

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

443444001020 is a wasteful number, since it uses less digits than its factorization.

443444001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412709 (or 412707 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 443444001020 its reverse (20100444344), we get a palindrome (463544445364).

The spelling of 443444001020 in words is "four hundred forty-three billion, four hundred forty-four million, one thousand, twenty".