440662412313644 has 12 divisors (see below), whose sum is σ = 771164357875800. Its totient is φ = 220329738634848.

The previous prime is 440662412313601. The next prime is 440662412313737. The reversal of 440662412313644 is 446313214266044.

It is a junction number, because it is equal to n+sod(n) for n = 440662412313592 and 440662412313601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366204734 + ... + 367406085.

It is an arithmetic number, because the mean of its divisors is an integer number (64263696489650).

Almost surely, 2^{440662412313644} is an apocalyptic number.

It is an amenable number.

440662412313644 is a deficient number, since it is larger than the sum of its proper divisors (330501945562156).

440662412313644 is a wasteful number, since it uses less digits than its factorization.

440662412313644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733760992 (or 733760990 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 50.

Adding to 440662412313644 its reverse (446313214266044), we get a palindrome (886975626579688).

The spelling of 440662412313644 in words is "four hundred forty trillion, six hundred sixty-two billion, four hundred twelve million, three hundred thirteen thousand, six hundred forty-four".