431444442002 has 16 divisors (see below), whose sum is σ = 739628728512. Its totient is φ = 184902339600.

The previous prime is 431444442001. The next prime is 431444442007. The reversal of 431444442002 is 200244444134.

It is a super-2 number, since 2×431444442002² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431444442002.

It is not an unprimeable number, because it can be changed into a prime (431444442001) 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, 1281593 + ... + 1582835.

It is an arithmetic number, because the mean of its divisors is an integer number (46226795532).

Almost surely, 2^431444442002 is an apocalyptic number.

431444442002 is a deficient number, since it is larger than the sum of its proper divisors (308184286510).

431444442002 is a wasteful number, since it uses less digits than its factorization.

431444442002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403553.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 431444442002 its reverse (200244444134), we get a palindrome (631688886136).

The spelling of 431444442002 in words is "four hundred thirty-one billion, four hundred forty-four million, four hundred forty-two thousand, two".