431340104040 has 64 divisors (see below), whose sum is σ = 1294560576000. Its totient is φ = 114976004352.

The previous prime is 431340104021. The next prime is 431340104051. The reversal of 431340104040 is 40401043134.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 431340104040.

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, 461287 + ... + 1037046.

It is an arithmetic number, because the mean of its divisors is an integer number (20227509000).

Almost surely, 2^431340104040 is an apocalyptic number.

431340104040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431340104040 is an abundant number, since it is smaller than the sum of its proper divisors (863220471960).

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

431340104040 is a wasteful number, since it uses less digits than its factorization.

431340104040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500746 (or 1500742 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 431340104040 its reverse (40401043134), we get a palindrome (471741147174).

The spelling of 431340104040 in words is "four hundred thirty-one billion, three hundred forty million, one hundred four thousand, forty".