431605616260 has 96 divisors (see below), whose sum is σ = 1118906272512. Its totient is φ = 136183196160.

The previous prime is 431605616251. The next prime is 431605616279. The reversal of 431605616260 is 62616506134.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244194 + ... + 960646.

It is an arithmetic number, because the mean of its divisors is an integer number (11655273672).

Almost surely, 2^431605616260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431605616260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559453136256).

431605616260 is an abundant number, since it is smaller than the sum of its proper divisors (687300656252).

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

431605616260 is a wasteful number, since it uses less digits than its factorization.

431605616260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716813 (or 716811 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 431605616260 in words is "four hundred thirty-one billion, six hundred five million, six hundred sixteen thousand, two hundred sixty".