32040340 has 24 divisors (see below), whose sum is σ = 67576320. Its totient is φ = 12760608.

The previous prime is 32040319. The next prime is 32040341. The reversal of 32040340 is 4304023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32040341) 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, 1429 + ... + 8131.

It is an arithmetic number, because the mean of its divisors is an integer number (2815680).

Almost surely, 2^32040340 is an apocalyptic number.

It is an amenable number.

32040340 is an abundant number, since it is smaller than the sum of its proper divisors (35535980).

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

32040340 is a wasteful number, since it uses less digits than its factorization.

32040340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951 (or 6949 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 32040340 is about 5660.4187124276. The cubic root of 32040340 is about 317.6135622039.

Adding to 32040340 its reverse (4304023), we get a palindrome (36344363).

The spelling of 32040340 in words is "thirty-two million, forty thousand, three hundred forty".