32424540 has 48 divisors (see below), whose sum is σ = 91069440. Its totient is φ = 8619840.

The previous prime is 32424533. The next prime is 32424577. The reversal of 32424540 is 4542423.

It is a self number, because there is not a number n which added to its sum of digits gives 32424540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25725 + ... + 26955.

It is an arithmetic number, because the mean of its divisors is an integer number (1897280).

Almost surely, 2^32424540 is an apocalyptic number.

32424540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32424540 is an abundant number, since it is smaller than the sum of its proper divisors (58644900).

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

32424540 is a wasteful number, since it uses less digits than its factorization.

32424540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1680 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 32424540 is about 5694.2549995588. The cubic root of 32424540 is about 318.8780369901.

Adding to 32424540 its reverse (4542423), we get a palindrome (36966963).

The spelling of 32424540 in words is "thirty-two million, four hundred twenty-four thousand, five hundred forty".