8416244340 has 144 divisors (see below), whose sum is σ = 29399610240. Its totient is φ = 1908990720.

The previous prime is 8416244311. The next prime is 8416244357. The reversal of 8416244340 is 434426148.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8416244295 and 8416244304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139566 + ... + 190554.

It is an arithmetic number, because the mean of its divisors is an integer number (204163960).

Almost surely, 2^8416244340 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 8416244340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14699805120).

8416244340 is an abundant number, since it is smaller than the sum of its proper divisors (20983365900).

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

8416244340 is a wasteful number, since it uses less digits than its factorization.

8416244340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51142 (or 51137 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 8416244340 is about 91740.0912360567. The cubic root of 8416244340 is about 2034.1022419115.

The spelling of 8416244340 in words is "eight billion, four hundred sixteen million, two hundred forty-four thousand, three hundred forty".