4520706444 has 96 divisors (see below), whose sum is σ = 12219863040. Its totient is φ = 1444008384.

The previous prime is 4520706433. The next prime is 4520706457. The reversal of 4520706444 is 4446070254.

4520706444 is a `hidden beast` number, since 4 + 5 + 2 + 0 + 7 + 0 + 644 + 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 = 4520706399 and 4520706408.

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 31 ways as a sum of consecutive naturals, for example, 236949 + ... + 255315.

It is an arithmetic number, because the mean of its divisors is an integer number (127290240).

Almost surely, 2^4520706444 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 4520706444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6109931520).

4520706444 is an abundant number, since it is smaller than the sum of its proper divisors (7699156596).

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

4520706444 is a wasteful number, since it uses less digits than its factorization.

4520706444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18476 (or 18468 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 4520706444 is about 67236.1989110033. The cubic root of 4520706444 is about 1653.4920159473.

Adding to 4520706444 its reverse (4446070254), we get a palindrome (8966776698).

The spelling of 4520706444 in words is "four billion, five hundred twenty million, seven hundred six thousand, four hundred forty-four".