32130340 has 96 divisors (see below), whose sum is σ = 79688448. Its totient is φ = 10841600.

The previous prime is 32130337. The next prime is 32130359. The reversal of 32130340 is 4303123.

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 31 ways as a sum of consecutive naturals, for example, 452505 + ... + 452575.

It is an arithmetic number, because the mean of its divisors is an integer number (830088).

Almost surely, 2^32130340 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 32130340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39844224).

32130340 is an abundant number, since it is smaller than the sum of its proper divisors (47558108).

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

32130340 is a wasteful number, since it uses less digits than its factorization.

32130340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 32130340 is about 5668.3630794084. The cubic root of 32130340 is about 317.9106720076.

Adding to 32130340 its reverse (4303123), we get a palindrome (36433463).

The spelling of 32130340 in words is "thirty-two million, one hundred thirty thousand, three hundred forty".