431505442604 has 12 divisors (see below), whose sum is σ = 755681336928. Its totient is φ = 215596489200.

The previous prime is 431505442603. The next prime is 431505442619. The reversal of 431505442604 is 406244505134.

It is not an unprimeable number, because it can be changed into a prime (431505442603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39051812 + ... + 39062859.

It is an arithmetic number, because the mean of its divisors is an integer number (62973444744).

Almost surely, 2^431505442604 is an apocalyptic number.

It is an amenable number.

431505442604 is a deficient number, since it is larger than the sum of its proper divisors (324175894324).

431505442604 is a wasteful number, since it uses less digits than its factorization.

431505442604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78116056 (or 78116054 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 431505442604 its reverse (406244505134), we get a palindrome (837749947738).

The spelling of 431505442604 in words is "four hundred thirty-one billion, five hundred five million, four hundred forty-two thousand, six hundred four".