4001630775 has 24 divisors (see below), whose sum is σ = 6643741440. Its totient is φ = 2125263840.

The previous prime is 4001630761. The next prime is 4001630803. The reversal of 4001630775 is 5770361004.

It is not a de Polignac number, because 4001630775 - 2⁸ = 4001630519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93697 + ... + 129546.

It is an arithmetic number, because the mean of its divisors is an integer number (276822560).

Almost surely, 2^4001630775 is an apocalyptic number.

4001630775 is a deficient number, since it is larger than the sum of its proper divisors (2642110665).

4001630775 is a wasteful number, since it uses less digits than its factorization.

4001630775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223495 (or 223490 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 4001630775 is about 63258.4442979750. Note that the first 3 decimals coincide. The cubic root of 4001630775 is about 1587.6167471542.

Adding to 4001630775 its reverse (5770361004), we get a palindrome (9771991779).

The spelling of 4001630775 in words is "four billion, one million, six hundred thirty thousand, seven hundred seventy-five".