32440420332 has 36 divisors (see below), whose sum is σ = 84647407936. Its totient is φ = 10464651360.

The previous prime is 32440420319. The next prime is 32440420339. The reversal of 32440420332 is 23302404423.

32440420332 is a `hidden beast` number, since 3 + 24 + 404 + 203 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 32440420296 and 32440420305.

It is not an unprimeable number, because it can be changed into a prime (32440420339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14533123 + ... + 14535354.

Almost surely, 2^32440420332 is an apocalyptic number.

It is an amenable number.

32440420332 is an abundant number, since it is smaller than the sum of its proper divisors (52206987604).

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

32440420332 is a wasteful number, since it uses less digits than its factorization.

32440420332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29068518 (or 29068513 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 32440420332 its reverse (23302404423), we get a palindrome (55742824755).

The spelling of 32440420332 in words is "thirty-two billion, four hundred forty million, four hundred twenty thousand, three hundred thirty-two".