443742132 has 12 divisors (see below), whose sum is σ = 1035398336. Its totient is φ = 147914040.

The previous prime is 443742083. The next prime is 443742179. The reversal of 443742132 is 231247344.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 443742132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18489244 + ... + 18489267.

Almost surely, 2^443742132 is an apocalyptic number.

It is an amenable number.

443742132 is an abundant number, since it is smaller than the sum of its proper divisors (591656204).

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

443742132 is a wasteful number, since it uses less digits than its factorization.

443742132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36978518 (or 36978516 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 443742132 is about 21065.1876801513. The cubic root of 443742132 is about 762.7406429206.

Adding to 443742132 its reverse (231247344), we get a palindrome (674989476).

The spelling of 443742132 in words is "four hundred forty-three million, seven hundred forty-two thousand, one hundred thirty-two".