32040124440 has 64 divisors (see below), whose sum is σ = 96147704160. Its totient is φ = 8541603840.

The previous prime is 32040124423. The next prime is 32040124453. The reversal of 32040124440 is 4442104023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 32040124440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407530 + ... + 479750.

Almost surely, 2^32040124440 is an apocalyptic number.

32040124440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32040124440 is an abundant number, since it is smaller than the sum of its proper divisors (64107579720).

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

32040124440 is a wasteful number, since it uses less digits than its factorization.

32040124440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75932 (or 75928 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 32040124440 its reverse (4442104023), we get a palindrome (36482228463).

The spelling of 32040124440 in words is "thirty-two billion, forty million, one hundred twenty-four thousand, four hundred forty".