443140872 has 16 divisors (see below), whose sum is σ = 1107852240. Its totient is φ = 147713616.

The previous prime is 443140871. The next prime is 443140883. The reversal of 443140872 is 278041344.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (443140871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9232078 + ... + 9232125.

It is an arithmetic number, because the mean of its divisors is an integer number (69240765).

Almost surely, 2^443140872 is an apocalyptic number.

It is an amenable number.

443140872 is an abundant number, since it is smaller than the sum of its proper divisors (664711368).

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

443140872 is a wasteful number, since it uses less digits than its factorization.

443140872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18464212 (or 18464208 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 443140872 is about 21050.9114291994. The cubic root of 443140872 is about 762.3959887509.

The spelling of 443140872 in words is "four hundred forty-three million, one hundred forty thousand, eight hundred seventy-two".