420352535716 has 27 divisors (see below), whose sum is σ = 781474890819. Its totient is φ = 197802584448.

The previous prime is 420352535693. The next prime is 420352535717. The reversal of 420352535716 is 617535253024.

It is a happy number.

The square root of 420352535716 is 648346.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 300841280100 + 119511255616 = 548490^2 + 345704^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420352535717) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22034230 + ... + 22053298.

Almost surely, 2^420352535716 is an apocalyptic number.

420352535716 is the 648346-th square number.

It is an amenable number.

420352535716 is a deficient number, since it is larger than the sum of its proper divisors (361122355103).

420352535716 is an frugal number, since it uses more digits than its factorization.

420352535716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38176 (or 19088 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 420352535716 in words is "four hundred twenty billion, three hundred fifty-two million, five hundred thirty-five thousand, seven hundred sixteen".