4001366632 has 16 divisors (see below), whose sum is σ = 7503236100. Its totient is φ = 2000503680.

The previous prime is 4001366627. The next prime is 4001366641. The reversal of 4001366632 is 2366631004.

It can be written as a sum of positive squares in 2 ways, for example, as 4001068516 + 298116 = 63254^2 + 546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4001366594 and 4001366603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151294 + ... + 175762.

Almost surely, 2^4001366632 is an apocalyptic number.

It is an amenable number.

4001366632 is a deficient number, since it is larger than the sum of its proper divisors (3501869468).

4001366632 is a wasteful number, since it uses less digits than its factorization.

4001366632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44916 (or 44912 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 4001366632 is about 63256.3564553002. The cubic root of 4001366632 is about 1587.5818141397.

Adding to 4001366632 its reverse (2366631004), we get a palindrome (6367997636).

The spelling of 4001366632 in words is "four billion, one million, three hundred sixty-six thousand, six hundred thirty-two".