420443412334 has 32 divisors (see below), whose sum is σ = 704970114912. Its totient is φ = 186398784000.

The previous prime is 420443412313. The next prime is 420443412373. The reversal of 420443412334 is 433214344024.

It is a self number, because there is not a number n which added to its sum of digits gives 420443412334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3363514 + ... + 3486274.

It is an arithmetic number, because the mean of its divisors is an integer number (22030316091).

Almost surely, 2^420443412334 is an apocalyptic number.

420443412334 is a deficient number, since it is larger than the sum of its proper divisors (284526702578).

420443412334 is a wasteful number, since it uses less digits than its factorization.

420443412334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126612.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 420443412334 its reverse (433214344024), we get a palindrome (853657756358).

The spelling of 420443412334 in words is "four hundred twenty billion, four hundred forty-three million, four hundred twelve thousand, three hundred thirty-four".