420456419216 has 20 divisors (see below), whose sum is σ = 816942069132. Its totient is φ = 209632659456.

The previous prime is 420456419213. The next prime is 420456419221. The reversal of 420456419216 is 612914654024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 150156250000 + 270300169216 = 387500^2 + 519904^2 .

It is not an unprimeable number, because it can be changed into a prime (420456419213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37216061 + ... + 37227356.

Almost surely, 2^420456419216 is an apocalyptic number.

It is an amenable number.

420456419216 is a deficient number, since it is larger than the sum of its proper divisors (396485649916).

420456419216 is a wasteful number, since it uses less digits than its factorization.

420456419216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74443778 (or 74443772 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 420456419216 in words is "four hundred twenty billion, four hundred fifty-six million, four hundred nineteen thousand, two hundred sixteen".