440004244244 has 24 divisors (see below), whose sum is σ = 775892030760. Its totient is φ = 218321901056.

The previous prime is 440004244193. The next prime is 440004244271. The reversal of 440004244244 is 442442400044.

It can be written as a sum of positive squares in 4 ways, for example, as 44348148100 + 395656096144 = 210590^2 + 629012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 440004244244.

It is a congruent number.

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, 1491794 + ... + 1762230.

It is an arithmetic number, because the mean of its divisors is an integer number (32328834615).

Almost surely, 2^440004244244 is an apocalyptic number.

It is an amenable number.

440004244244 is a deficient number, since it is larger than the sum of its proper divisors (335887786516).

440004244244 is a wasteful number, since it uses less digits than its factorization.

440004244244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273547 (or 273545 counting only the distinct ones).

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

Adding to 440004244244 its reverse (442442400044), we get a palindrome (882446644288).

The spelling of 440004244244 in words is "four hundred forty billion, four million, two hundred forty-four thousand, two hundred forty-four".