43130032 has 80 divisors (see below), whose sum is σ = 96243840. Its totient is φ = 18547200.

The previous prime is 43130027. The next prime is 43130041. The reversal of 43130032 is 23003134.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 43129988 and 43130015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310219 + ... + 310357.

It is an arithmetic number, because the mean of its divisors is an integer number (1203048).

Almost surely, 2^43130032 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 43130032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48121920).

43130032 is an abundant number, since it is smaller than the sum of its proper divisors (53113808).

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

43130032 is a wasteful number, since it uses less digits than its factorization.

43130032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 43130032 is about 6567.3458870384. The cubic root of 43130032 is about 350.6925931923.

Adding to 43130032 its reverse (23003134), we get a palindrome (66133166).

The spelling of 43130032 in words is "forty-three million, one hundred thirty thousand, thirty-two".