32043140 has 48 divisors (see below), whose sum is σ = 71971200. Its totient is φ = 11953920.

The previous prime is 32043103. The next prime is 32043161. The reversal of 32043140 is 4134023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18011 + ... + 19709.

It is an arithmetic number, because the mean of its divisors is an integer number (1499400).

Almost surely, 2^32043140 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 32043140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35985600).

32043140 is an abundant number, since it is smaller than the sum of its proper divisors (39928060).

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

32043140 is a wasteful number, since it uses less digits than its factorization.

32043140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 32043140 is about 5660.6660385506. Note that the first 3 decimals coincide. The cubic root of 32043140 is about 317.6228139999.

Adding to 32043140 its reverse (4134023), we get a palindrome (36177163).

The spelling of 32043140 in words is "thirty-two million, forty-three thousand, one hundred forty".