431516764340 has 24 divisors (see below), whose sum is σ = 906695232072. Its totient is φ = 172509557760.

The previous prime is 431516764339. The next prime is 431516764351. The reversal of 431516764340 is 43467615134.

It can be written as a sum of positive squares in 4 ways, for example, as 14916225424 + 416600538916 = 122132^2 + 645446^2 .

It is a junction number, because it is equal to n+sod(n) for n = 431516764291 and 431516764300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6035321 + ... + 6106400.

It is an arithmetic number, because the mean of its divisors is an integer number (37778968003).

Almost surely, 2^431516764340 is an apocalyptic number.

It is an amenable number.

431516764340 is an abundant number, since it is smaller than the sum of its proper divisors (475178467732).

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

431516764340 is a wasteful number, since it uses less digits than its factorization.

431516764340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12143507 (or 12143505 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 431516764340 in words is "four hundred thirty-one billion, five hundred sixteen million, seven hundred sixty-four thousand, three hundred forty".