4400503642 has 16 divisors (see below), whose sum is σ = 6756235200. Its totient is φ = 2148455232.

The previous prime is 4400503619. The next prime is 4400503651. The reversal of 4400503642 is 2463050044.

It is a self number, because there is not a number n which added to its sum of digits gives 4400503642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451234 + ... + 460882.

It is an arithmetic number, because the mean of its divisors is an integer number (422264700).

Almost surely, 2^4400503642 is an apocalyptic number.

4400503642 is a deficient number, since it is larger than the sum of its proper divisors (2355731558).

4400503642 is a wasteful number, since it uses less digits than its factorization.

4400503642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14997.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4400503642 is about 66336.2920428931. The cubic root of 4400503642 is about 1638.7050607255.

Adding to 4400503642 its reverse (2463050044), we get a palindrome (6863553686).

The spelling of 4400503642 in words is "four billion, four hundred million, five hundred three thousand, six hundred forty-two".