4349985450 has 48 divisors (see below), whose sum is σ = 10820679456. Its totient is φ = 1156478400.

The previous prime is 4349985443. The next prime is 4349985473. The reversal of 4349985450 is 545899434.

It is a junction number, because it is equal to n+sod(n) for n = 4349985393 and 4349985402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5844 + ... + 93456.

It is an arithmetic number, because the mean of its divisors is an integer number (225430822).

Almost surely, 2^4349985450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4349985450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5410339728).

4349985450 is an abundant number, since it is smaller than the sum of its proper divisors (6470694006).

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

4349985450 is a wasteful number, since it uses less digits than its factorization.

4349985450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87959 (or 87954 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The square root of 4349985450 is about 65954.4194880070. The cubic root of 4349985450 is about 1632.4100809820.

The spelling of 4349985450 in words is "four billion, three hundred forty-nine million, nine hundred eighty-five thousand, four hundred fifty".