32424131440 has 20 divisors (see below), whose sum is σ = 75386105784. Its totient is φ = 12969652544.

The previous prime is 32424131437. The next prime is 32424131477. The reversal of 32424131440 is 4413142423.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 32424131399 and 32424131408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202650742 + ... + 202650901.

Almost surely, 2^32424131440 is an apocalyptic number.

It is an amenable number.

32424131440 is an abundant number, since it is smaller than the sum of its proper divisors (42961974344).

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

32424131440 is a wasteful number, since it uses less digits than its factorization.

32424131440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405301656 (or 405301650 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 32424131440 its reverse (4413142423), we get a palindrome (36837273863).

The spelling of 32424131440 in words is "thirty-two billion, four hundred twenty-four million, one hundred thirty-one thousand, four hundred forty".