433220221240 has 64 divisors (see below), whose sum is σ = 991483416000. Its totient is φ = 170316810240.

The previous prime is 433220221207. The next prime is 433220221277. The reversal of 433220221240 is 42122022334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3151056 + ... + 3285664.

It is an arithmetic number, because the mean of its divisors is an integer number (15491928375).

Almost surely, 2^433220221240 is an apocalyptic number.

433220221240 is a gapful number since it is divisible by the number (40) 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 433220221240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495741708000).

433220221240 is an abundant number, since it is smaller than the sum of its proper divisors (558263194760).

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

433220221240 is a wasteful number, since it uses less digits than its factorization.

433220221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136000 (or 135996 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 433220221240 its reverse (42122022334), we get a palindrome (475342243574).

The spelling of 433220221240 in words is "four hundred thirty-three billion, two hundred twenty million, two hundred twenty-one thousand, two hundred forty".