420441434321432 has 16 divisors (see below), whose sum is σ = 801689175613800. Its totient is φ = 206657654157760.

The previous prime is 420441434321401. The next prime is 420441434321473. The reversal of 420441434321432 is 234123434144024.

It is a self number, because there is not a number n which added to its sum of digits gives 420441434321432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445382874869 + ... + 445382875812.

Almost surely, 2^{420441434321432} is an apocalyptic number.

It is an amenable number.

420441434321432 is a deficient number, since it is larger than the sum of its proper divisors (381247741292368).

420441434321432 is a wasteful number, since it uses less digits than its factorization.

420441434321432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890765750746 (or 890765750742 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 41.

Adding to 420441434321432 its reverse (234123434144024), we get a palindrome (654564868465456).

The spelling of 420441434321432 in words is "four hundred twenty trillion, four hundred forty-one billion, four hundred thirty-four million, three hundred twenty-one thousand, four hundred thirty-two".