440142242404 has 24 divisors (see below), whose sum is σ = 789402598488. Its totient is φ = 214603637760.

The previous prime is 440142242399. The next prime is 440142242437. The reversal of 440142242404 is 404242241044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44440856100 + 395701386304 = 210810^2 + 629048^2 .

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, 270177 + ... + 976360.

It is an arithmetic number, because the mean of its divisors is an integer number (32891774937).

Almost surely, 2^440142242404 is an apocalyptic number.

It is an amenable number.

440142242404 is a deficient number, since it is larger than the sum of its proper divisors (349260356084).

440142242404 is a wasteful number, since it uses less digits than its factorization.

440142242404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248735 (or 1248733 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 440142242404 its reverse (404242241044), we get a palindrome (844384483448).

The spelling of 440142242404 in words is "four hundred forty billion, one hundred forty-two million, two hundred forty-two thousand, four hundred four".