4404901642 has 8 divisors (see below), whose sum is σ = 6629904036. Its totient is φ = 2194933632.

The previous prime is 4404901609. The next prime is 4404901643. The reversal of 4404901642 is 2461094044.

It can be written as a sum of positive squares in 2 ways, for example, as 3183329241 + 1221572401 = 56421^2 + 34951^2 .

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 = 4404901598 and 4404901607.

It is not an unprimeable number, because it can be changed into a prime (4404901643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3757863 + ... + 3759034.

Almost surely, 2^4404901642 is an apocalyptic number.

4404901642 is a deficient number, since it is larger than the sum of its proper divisors (2225002394).

4404901642 is a wasteful number, since it uses less digits than its factorization.

4404901642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517192.

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

The square root of 4404901642 is about 66369.4330396155. The cubic root of 4404901642 is about 1639.2508031981.

Adding to 4404901642 its reverse (2461094044), we get a palindrome (6865995686).

The spelling of 4404901642 in words is "four billion, four hundred four million, nine hundred one thousand, six hundred forty-two".