32016781224 has 160 divisors (see below), whose sum is σ = 95077540800. Its totient is φ = 10031178240.

The previous prime is 32016781189. The next prime is 32016781229. The reversal of 32016781224 is 42218761023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (32016781229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11356087 + ... + 11358905.

It is an arithmetic number, because the mean of its divisors is an integer number (594234630).

Almost surely, 2^32016781224 is an apocalyptic number.

32016781224 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32016781224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47538770400).

32016781224 is an abundant number, since it is smaller than the sum of its proper divisors (63060759576).

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

32016781224 is a wasteful number, since it uses less digits than its factorization.

32016781224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885 (or 3872 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 32016781224 in words is "thirty-two billion, sixteen million, seven hundred eighty-one thousand, two hundred twenty-four".