420212310344 has 8 divisors (see below), whose sum is σ = 787898081910. Its totient is φ = 210106155168.

The previous prime is 420212310319. The next prime is 420212310379. The reversal of 420212310344 is 443013212024.

It can be written as a sum of positive squares in only one way, i.e., 336713272900 + 83499037444 = 580270^2 + 288962^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26263269389 + ... + 26263269404.

Almost surely, 2^420212310344 is an apocalyptic number.

It is an amenable number.

420212310344 is a deficient number, since it is larger than the sum of its proper divisors (367685771566).

420212310344 is a wasteful number, since it uses less digits than its factorization.

420212310344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52526538799 (or 52526538795 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 420212310344 its reverse (443013212024), we get a palindrome (863225522368).

The spelling of 420212310344 in words is "four hundred twenty billion, two hundred twelve million, three hundred ten thousand, three hundred forty-four".