32424840 has 128 divisors (see below), whose sum is σ = 123552000. Its totient is φ = 7409664.

The previous prime is 32424829. The next prime is 32424841. The reversal of 32424840 is 4842423.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (32424841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5416 + ... + 9704.

It is an arithmetic number, because the mean of its divisors is an integer number (965250).

Almost surely, 2^32424840 is an apocalyptic number.

32424840 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 32424840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61776000).

32424840 is an abundant number, since it is smaller than the sum of its proper divisors (91127160).

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

32424840 is a wasteful number, since it uses less digits than its factorization.

32424840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316 (or 4306 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 32424840 is about 5694.2813418376. The cubic root of 32424840 is about 318.8790204337.

The spelling of 32424840 in words is "thirty-two million, four hundred twenty-four thousand, eight hundred forty".