431333142040 has 32 divisors (see below), whose sum is σ = 971284240080. Its totient is φ = 172393759872.

The previous prime is 431333141929. The next prime is 431333142041. The reversal of 431333142040 is 40241333134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431333142041) 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, 4309182 + ... + 4408141.

Almost surely, 2^431333142040 is an apocalyptic number.

431333142040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431333142040 is an abundant number, since it is smaller than the sum of its proper divisors (539951098040).

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

431333142040 is a wasteful number, since it uses less digits than its factorization.

431333142040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8718571 (or 8718567 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 431333142040 its reverse (40241333134), we get a palindrome (471574475174).

The spelling of 431333142040 in words is "four hundred thirty-one billion, three hundred thirty-three million, one hundred forty-two thousand, forty".