32223121040 has 160 divisors (see below), whose sum is σ = 83926056960. Its totient is φ = 11405350400.

The previous prime is 32223121039. The next prime is 32223121043. The reversal of 32223121040 is 4012132223.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (32223121043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7897721 + ... + 7901799.

It is an arithmetic number, because the mean of its divisors is an integer number (524537856).

Almost surely, 2^32223121040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32223121040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41963028480).

32223121040 is an abundant number, since it is smaller than the sum of its proper divisors (51702935920).

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

32223121040 is a wasteful number, since it uses less digits than its factorization.

32223121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341 (or 4335 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 32223121040 its reverse (4012132223), we get a palindrome (36235253263).

The spelling of 32223121040 in words is "thirty-two billion, two hundred twenty-three million, one hundred twenty-one thousand, forty".