32044240 has 40 divisors (see below), whose sum is σ = 74948328. Its totient is φ = 12741120.

The previous prime is 32044237. The next prime is 32044249. The reversal of 32044240 is 4244023.

It can be written as a sum of positive squares in 4 ways, for example, as 3400336 + 28643904 = 1844^2 + 5352^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32044249) 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 7 ways as a sum of consecutive naturals, for example, 13374 + ... + 15586.

Almost surely, 2^32044240 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 32044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37474164).

32044240 is an abundant number, since it is smaller than the sum of its proper divisors (42904088).

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

32044240 is a wasteful number, since it uses less digits than its factorization.

32044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 32044240 is about 5660.7631994281. The cubic root of 32044240 is about 317.6264484866.

Adding to 32044240 its reverse (4244023), we get a palindrome (36288263).

The spelling of 32044240 in words is "thirty-two million, forty-four thousand, two hundred forty".