440440040004 has 24 divisors (see below), whose sum is σ = 1051593275040. Its totient is φ = 143399082624.

The previous prime is 440440039981. The next prime is 440440040009. The reversal of 440440040004 is 400040044044.

It is not an unprimeable number, because it can be changed into a prime (440440040009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426782469 + ... + 426783500.

It is an arithmetic number, because the mean of its divisors is an integer number (43816386460).

Almost surely, 2^440440040004 is an apocalyptic number.

It is an amenable number.

440440040004 is an abundant number, since it is smaller than the sum of its proper divisors (611153235036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440440040004 is a wasteful number, since it uses less digits than its factorization.

440440040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853566019 (or 853566017 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 440440040004 its reverse (400040044044), we get a palindrome (840480084048).

The spelling of 440440040004 in words is "four hundred forty billion, four hundred forty million, forty thousand, four".