43330140 has 120 divisors (see below), whose sum is σ = 155387232. Its totient is φ = 9901440.

The previous prime is 43330129. The next prime is 43330141. The reversal of 43330140 is 4103334.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43330141) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9430 + ... + 13250.

Almost surely, 2^43330140 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 43330140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77693616).

43330140 is an abundant number, since it is smaller than the sum of its proper divisors (112057092).

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

43330140 is a wasteful number, since it uses less digits than its factorization.

43330140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849 (or 3838 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 43330140 is about 6582.5633304967. The cubic root of 43330140 is about 351.2341195017.

Adding to 43330140 its reverse (4103334), we get a palindrome (47433474).

The spelling of 43330140 in words is "forty-three million, three hundred thirty thousand, one hundred forty".