440242242242 has 16 divisors (see below), whose sum is σ = 751717979712. Its totient is φ = 191409670320.

The previous prime is 440242242203. The next prime is 440242242259. The reversal of 440242242242 is 242242242044.

It is a junction number, because it is equal to n+sod(n) for n = 440242242199 and 440242242208.

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, 435021473 + ... + 435022484.

It is an arithmetic number, because the mean of its divisors is an integer number (46982373732).

Almost surely, 2^440242242242 is an apocalyptic number.

440242242242 is a deficient number, since it is larger than the sum of its proper divisors (311475737470).

440242242242 is a wasteful number, since it uses less digits than its factorization.

440242242242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870043993.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 440242242242 its reverse (242242242044), we get a palindrome (682484484286).

The spelling of 440242242242 in words is "four hundred forty billion, two hundred forty-two million, two hundred forty-two thousand, two hundred forty-two".