433143040240 has 160 divisors (see below), whose sum is σ = 1029408399360. Its totient is φ = 169467282432.

The previous prime is 433143040219. The next prime is 433143040241. The reversal of 433143040240 is 42040341334.

It is a super-2 number, since 2×433143040240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 433143040199 and 433143040208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433143040241) 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, 251388019 + ... + 251389741.

It is an arithmetic number, because the mean of its divisors is an integer number (6433802496).

Almost surely, 2^433143040240 is an apocalyptic number.

433143040240 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 433143040240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514704199680).

433143040240 is an abundant number, since it is smaller than the sum of its proper divisors (596265359120).

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

433143040240 is a wasteful number, since it uses less digits than its factorization.

433143040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199 (or 2193 counting only the distinct ones).

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

Adding to 433143040240 its reverse (42040341334), we get a palindrome (475183381574).

The spelling of 433143040240 in words is "four hundred thirty-three billion, one hundred forty-three million, forty thousand, two hundred forty".