32189451140 has 48 divisors (see below), whose sum is σ = 84277839744. Its totient is φ = 10033075200.

The previous prime is 32189451127. The next prime is 32189451149. The reversal of 32189451140 is 4115498123.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 32189451094 and 32189451103.

It is not an unprimeable number, because it can be changed into a prime (32189451149) by changing a digit.

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, 10449581 + ... + 10452660.

It is an arithmetic number, because the mean of its divisors is an integer number (1755788328).

Almost surely, 2^32189451140 is an apocalyptic number.

It is an amenable number.

32189451140 is an abundant number, since it is smaller than the sum of its proper divisors (52088388604).

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

32189451140 is a wasteful number, since it uses less digits than its factorization.

32189451140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20902268 (or 20902266 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 32189451140 in words is "thirty-two billion, one hundred eighty-nine million, four hundred fifty-one thousand, one hundred forty".