32430140 has 24 divisors (see below), whose sum is σ = 68457312. Its totient is φ = 12904640.

The previous prime is 32430121. The next prime is 32430143. The reversal of 32430140 is 4103423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32430143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176 + ... + 8055.

It is an arithmetic number, because the mean of its divisors is an integer number (2852388).

Almost surely, 2^32430140 is an apocalyptic number.

It is an amenable number.

32430140 is an abundant number, since it is smaller than the sum of its proper divisors (36027172).

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

32430140 is a wasteful number, since it uses less digits than its factorization.

32430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8437 (or 8435 counting only the distinct ones).

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

The square root of 32430140 is about 5694.7467020053. The cubic root of 32430140 is about 318.8963936033.

Adding to 32430140 its reverse (4103423), we get a palindrome (36533563).

The spelling of 32430140 in words is "thirty-two million, four hundred thirty thousand, one hundred forty".