433423221040 has 40 divisors (see below), whose sum is σ = 1008107606448. Its totient is φ = 173300709120.

The previous prime is 433423221031. The next prime is 433423221041. The reversal of 433423221040 is 40122324334.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (433423221041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867807 + ... + 1272766.

Almost surely, 2^433423221040 is an apocalyptic number.

433423221040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

433423221040 is an abundant number, since it is smaller than the sum of its proper divisors (574684385408).

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

433423221040 is a wasteful number, since it uses less digits than its factorization.

433423221040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143117 (or 2143111 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 433423221040 its reverse (40122324334), we get a palindrome (473545545374).

The spelling of 433423221040 in words is "four hundred thirty-three billion, four hundred twenty-three million, two hundred twenty-one thousand, forty".