420646460216 has 16 divisors (see below), whose sum is σ = 788749500840. Its totient is φ = 210313260000.

The previous prime is 420646460207. The next prime is 420646460249. The reversal of 420646460216 is 612064646024.

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, 1065410 + ... + 1405841.

Almost surely, 2^420646460216 is an apocalyptic number.

It is an amenable number.

420646460216 is a deficient number, since it is larger than the sum of its proper divisors (368103040624).

420646460216 is a wasteful number, since it uses less digits than its factorization.

420646460216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492534 (or 2492530 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 420646460216 in words is "four hundred twenty billion, six hundred forty-six million, four hundred sixty thousand, two hundred sixteen".