32460240 has 80 divisors (see below), whose sum is σ = 101261376. Its totient is φ = 8601600.

The previous prime is 32460229. The next prime is 32460247. The reversal of 32460240 is 4206423.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32460247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50320 + ... + 50960.

Almost surely, 2^32460240 is an apocalyptic number.

32460240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32460240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50630688).

32460240 is an abundant number, since it is smaller than the sum of its proper divisors (68801136).

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

32460240 is a wasteful number, since it uses less digits than its factorization.

32460240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 32460240 is about 5697.3888756166. The cubic root of 32460240 is about 318.9950242113.

Adding to 32460240 its reverse (4206423), we get a palindrome (36666663).

The spelling of 32460240 in words is "thirty-two million, four hundred sixty thousand, two hundred forty".