4349681856 has 560 divisors, whose sum is σ = 15145715200. Its totient is φ = 1222760448.

The previous prime is 4349681851. The next prime is 4349681873. The reversal of 4349681856 is 6581869434.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4349681851) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 55059225 + ... + 55059303.

It is an arithmetic number, because the mean of its divisors is an integer number (27045920).

Almost surely, 2^4349681856 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 4349681856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7572857600).

4349681856 is an abundant number, since it is smaller than the sum of its proper divisors (10796033344).

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

4349681856 is a wasteful number, since it uses less digits than its factorization.

4349681856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 159 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 4349681856 is about 65952.1179038247. The cubic root of 4349681856 is about 1632.3721037335.

The spelling of 4349681856 in words is "four billion, three hundred forty-nine million, six hundred eighty-one thousand, eight hundred fifty-six".