8368619420 has 72 divisors (see below), whose sum is σ = 20331929184. Its totient is φ = 2834345088.

The previous prime is 8368619383. The next prime is 8368619423. The reversal of 8368619420 is 249168638.

It is a super-2 number, since 2×8368619420² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8368619423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 960122 + ... + 968798.

Almost surely, 2^8368619420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8368619420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10165964592).

8368619420 is an abundant number, since it is smaller than the sum of its proper divisors (11963309764).

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

8368619420 is a wasteful number, since it uses less digits than its factorization.

8368619420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8859 (or 8774 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 8368619420 is about 91480.1586137672. The cubic root of 8368619420 is about 2030.2581971566.

The spelling of 8368619420 in words is "eight billion, three hundred sixty-eight million, six hundred nineteen thousand, four hundred twenty".