32440041424 has 80 divisors (see below), whose sum is σ = 74064545280. Its totient is φ = 13475629440.

The previous prime is 32440041407. The next prime is 32440041433. The reversal of 32440041424 is 42414004423.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 32440041392 and 32440041401.

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, 605187 + ... + 656605.

It is an arithmetic number, because the mean of its divisors is an integer number (925806816).

Almost surely, 2^32440041424 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 32440041424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37032272640).

32440041424 is an abundant number, since it is smaller than the sum of its proper divisors (41624503856).

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

32440041424 is a wasteful number, since it uses less digits than its factorization.

32440041424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51608 (or 51602 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 32440041424 its reverse (42414004423), we get a palindrome (74854045847).

The spelling of 32440041424 in words is "thirty-two billion, four hundred forty million, forty-one thousand, four hundred twenty-four".