8353418420 has 12 divisors (see below), whose sum is σ = 17542178724. Its totient is φ = 3341367360.

The previous prime is 8353418407. The next prime is 8353418453. The reversal of 8353418420 is 248143538.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2362348816 + 5991069604 = 48604^2 + 77402^2 .

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, 208835441 + ... + 208835480.

It is an arithmetic number, because the mean of its divisors is an integer number (1461848227).

Almost surely, 2^8353418420 is an apocalyptic number.

It is an amenable number.

8353418420 is an abundant number, since it is smaller than the sum of its proper divisors (9188760304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8353418420 is a wasteful number, since it uses less digits than its factorization.

8353418420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417670930 (or 417670928 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 8353418420 is about 91397.0372605152. The cubic root of 8353418420 is about 2029.0281790631.

The spelling of 8353418420 in words is "eight billion, three hundred fifty-three million, four hundred eighteen thousand, four hundred twenty".