431452240442 has 16 divisors (see below), whose sum is σ = 658169629920. Its totient is φ = 212062609968.

The previous prime is 431452240423. The next prime is 431452240447. The reversal of 431452240442 is 244042254134.

It is not an unprimeable number, because it can be changed into a prime (431452240447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5890388 + ... + 5963184.

It is an arithmetic number, because the mean of its divisors is an integer number (41135601870).

Almost surely, 2^431452240442 is an apocalyptic number.

431452240442 is a deficient number, since it is larger than the sum of its proper divisors (226717389478).

431452240442 is a wasteful number, since it uses less digits than its factorization.

431452240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123085.

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 431452240442 its reverse (244042254134), we get a palindrome (675494494576).

The spelling of 431452240442 in words is "four hundred thirty-one billion, four hundred fifty-two million, two hundred forty thousand, four hundred forty-two".