433132143440 has 160 divisors (see below), whose sum is σ = 1049521397760. Its totient is φ = 166127270400.

The previous prime is 433132143403. The next prime is 433132143473. The reversal of 433132143440 is 44341231334.

It is a junction number, because it is equal to n+sod(n) for n = 433132143397 and 433132143406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38906675 + ... + 38917805.

It is an arithmetic number, because the mean of its divisors is an integer number (6559508736).

Almost surely, 2^433132143440 is an apocalyptic number.

433132143440 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 433132143440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524760698880).

433132143440 is an abundant number, since it is smaller than the sum of its proper divisors (616389254320).

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

433132143440 is a wasteful number, since it uses less digits than its factorization.

433132143440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401 (or 11395 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 433132143440 its reverse (44341231334), we get a palindrome (477473374774).

The spelling of 433132143440 in words is "four hundred thirty-three billion, one hundred thirty-two million, one hundred forty-three thousand, four hundred forty".