4009007505 has 16 divisors (see below), whose sum is σ = 6752013120. Its totient is φ = 2025603648.

The previous prime is 4009007501. The next prime is 4009007539. The reversal of 4009007505 is 5057009004.

It is not a de Polignac number, because 4009007505 - 2² = 4009007501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4009007501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7033062 + ... + 7033631.

It is an arithmetic number, because the mean of its divisors is an integer number (422000820).

Almost surely, 2^4009007505 is an apocalyptic number.

It is an amenable number.

4009007505 is a deficient number, since it is larger than the sum of its proper divisors (2743005615).

4009007505 is a wasteful number, since it uses less digits than its factorization.

4009007505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14066720.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 4009007505 is about 63316.7237386774. The cubic root of 4009007505 is about 1588.5917022586.

The spelling of 4009007505 in words is "four billion, nine million, seven thousand, five hundred five".