440442004442 has 32 divisors (see below), whose sum is σ = 730078562304. Its totient is φ = 197606666800.

The previous prime is 440442004439. The next prime is 440442004501. The reversal of 440442004442 is 244400244044.

It is a junction number, because it is equal to n+sod(n) for n = 440442004399 and 440442004408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1881623 + ... + 2102709.

It is an arithmetic number, because the mean of its divisors is an integer number (22814955072).

Almost surely, 2^440442004442 is an apocalyptic number.

440442004442 is a deficient number, since it is larger than the sum of its proper divisors (289636557862).

440442004442 is a wasteful number, since it uses less digits than its factorization.

440442004442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222274.

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

Adding to 440442004442 its reverse (244400244044), we get a palindrome (684842248486).

The spelling of 440442004442 in words is "four hundred forty billion, four hundred forty-two million, four thousand, four hundred forty-two".