431327540364 has 96 divisors (see below), whose sum is σ = 1161012711936. Its totient is φ = 122081955840.

The previous prime is 431327540363. The next prime is 431327540389. The reversal of 431327540364 is 463045723134.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (431327540363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6315342 + ... + 6383274.

It is an arithmetic number, because the mean of its divisors is an integer number (12093882416).

Almost surely, 2^431327540364 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 431327540364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580506355968).

431327540364 is an abundant number, since it is smaller than the sum of its proper divisors (729685171572).

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

431327540364 is a wasteful number, since it uses less digits than its factorization.

431327540364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68655 (or 68653 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 431327540364 in words is "four hundred thirty-one billion, three hundred twenty-seven million, five hundred forty thousand, three hundred sixty-four".