4406611642 has 8 divisors (see below), whose sum is σ = 6678061236. Its totient is φ = 2180591232.

The previous prime is 4406611637. The next prime is 4406611661. The reversal of 4406611642 is 2461166044.

It can be written as a sum of positive squares in 2 ways, for example, as 4396883481 + 9728161 = 66309^2 + 3119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4406611598 and 4406611607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11357053 + ... + 11357440.

Almost surely, 2^4406611642 is an apocalyptic number.

4406611642 is a deficient number, since it is larger than the sum of its proper divisors (2271449594).

4406611642 is a wasteful number, since it uses less digits than its factorization.

4406611642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22714592.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 4406611642 is about 66382.3142260045. The cubic root of 4406611642 is about 1639.4628969407.

Adding to 4406611642 its reverse (2461166044), we get a palindrome (6867777686).

The spelling of 4406611642 in words is "four billion, four hundred six million, six hundred eleven thousand, six hundred forty-two".