431508523409340 has 96 divisors (see below), whose sum is σ = 1301501873534016. Its totient is φ = 106189914470400.

The previous prime is 431508523409317. The next prime is 431508523409393. The reversal of 431508523409340 is 43904325805134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68784961 + ... + 74795640.

It is an arithmetic number, because the mean of its divisors is an integer number (13557311182646).

Almost surely, 2^{431508523409340} is an apocalyptic number.

It is an amenable number.

431508523409340 is an abundant number, since it is smaller than the sum of its proper divisors (869993350124676).

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

431508523409340 is a wasteful number, since it uses less digits than its factorization.

431508523409340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143584479 (or 143584477 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 431508523409340 in words is "four hundred thirty-one trillion, five hundred eight billion, five hundred twenty-three million, four hundred nine thousand, three hundred forty".