4457007506 has 32 divisors (see below), whose sum is σ = 7956506880. Its totient is φ = 1832040000.

The previous prime is 4457007497. The next prime is 4457007523. The reversal of 4457007506 is 6057007544.

It is a self number, because there is not a number n which added to its sum of digits gives 4457007506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24956 + ... + 97656.

It is an arithmetic number, because the mean of its divisors is an integer number (248640840).

Almost surely, 2^4457007506 is an apocalyptic number.

4457007506 is a deficient number, since it is larger than the sum of its proper divisors (3499499374).

4457007506 is a wasteful number, since it uses less digits than its factorization.

4457007506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72890.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 4457007506 is about 66760.8231375258. The cubic root of 4457007506 is about 1645.6890842166.

Adding to 4457007506 its sum of digits (38), we get a palindrome (4457007544).

The spelling of 4457007506 in words is "four billion, four hundred fifty-seven million, seven thousand, five hundred six".