32430540 has 24 divisors (see below), whose sum is σ = 90805680. Its totient is φ = 8648128.

The previous prime is 32430539. The next prime is 32430547. The reversal of 32430540 is 4503423.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (32430547) 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, 270195 + ... + 270314.

It is an arithmetic number, because the mean of its divisors is an integer number (3783570).

Almost surely, 2^32430540 is an apocalyptic number.

32430540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32430540 is an abundant number, since it is smaller than the sum of its proper divisors (58375140).

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

32430540 is a wasteful number, since it uses less digits than its factorization.

32430540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540521 (or 540519 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 32430540 is about 5694.7818219841. The cubic root of 32430540 is about 318.8977047091.

Adding to 32430540 its reverse (4503423), we get a palindrome (36933963).

The spelling of 32430540 in words is "thirty-two million, four hundred thirty thousand, five hundred forty".