4471720344 has 160 divisors (see below), whose sum is σ = 15415535520. Its totient is φ = 1179339264.

The previous prime is 4471720303. The next prime is 4471720349. The reversal of 4471720344 is 4430271744.

It is a happy number.

4471720344 is a `hidden beast` number, since 447 + 1 + 7 + 203 + 4 + 4 = 666.

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 = 4471720299 and 4471720308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4471720349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21052 + ... + 96884.

It is an arithmetic number, because the mean of its divisors is an integer number (96347097).

Almost surely, 2^4471720344 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 4471720344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7707767760).

4471720344 is an abundant number, since it is smaller than the sum of its proper divisors (10943815176).

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

4471720344 is a wasteful number, since it uses less digits than its factorization.

4471720344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75871 (or 75858 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 4471720344 is about 66870.9230084347. The cubic root of 4471720344 is about 1647.4979333938.

The spelling of 4471720344 in words is "four billion, four hundred seventy-one million, seven hundred twenty thousand, three hundred forty-four".