443144426164 has 192 divisors, whose sum is σ = 907141939200. Its totient is φ = 187620825600.

The previous prime is 443144426119. The next prime is 443144426167. The reversal of 443144426164 is 461624441344.

It is a self number, because there is not a number n which added to its sum of digits gives 443144426164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443144426167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 528181257 + ... + 528182095.

It is an arithmetic number, because the mean of its divisors is an integer number (4724697600).

Almost surely, 2^443144426164 is an apocalyptic number.

443144426164 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

443144426164 is an abundant number, since it is smaller than the sum of its proper divisors (463997513036).

443144426164 is a wasteful number, since it uses less digits than its factorization.

443144426164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 1092 counting only the distinct ones).

The product of its digits is 884736, while the sum is 43.

The spelling of 443144426164 in words is "four hundred forty-three billion, one hundred forty-four million, four hundred twenty-six thousand, one hundred sixty-four".