32223420240 has 160 divisors (see below), whose sum is σ = 109043770752. Its totient is φ = 7806720000.

The previous prime is 32223420199. The next prime is 32223420247. The reversal of 32223420240 is 4202432223.

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 32223420240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32223420247) 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, 5649390 + ... + 5655090.

Almost surely, 2^32223420240 is an apocalyptic number.

32223420240 is a gapful number since it is divisible by the number (30) 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 32223420240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54521885376).

32223420240 is an abundant number, since it is smaller than the sum of its proper divisors (76820350512).

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

32223420240 is a wasteful number, since it uses less digits than its factorization.

32223420240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869 (or 7863 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 32223420240 its reverse (4202432223), we get a palindrome (36425852463).

The spelling of 32223420240 in words is "thirty-two billion, two hundred twenty-three million, four hundred twenty thousand, two hundred forty".