440413031044442 has 4 divisors (see below), whose sum is σ = 660619546566666. Its totient is φ = 220206515522220.

The previous prime is 440413031044379. The next prime is 440413031044457. The reversal of 440413031044442 is 244440130314044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 251096318148361 + 189316712896081 = 15846019^2 + 13759241^2 .

It is a junction number, because it is equal to n+sod(n) for n = 440413031044396 and 440413031044405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110103257761109 + ... + 110103257761112.

Almost surely, 2^{440413031044442} is an apocalyptic number.

440413031044442 is a deficient number, since it is larger than the sum of its proper divisors (220206515522224).

440413031044442 is a wasteful number, since it uses less digits than its factorization.

440413031044442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220206515522223.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 440413031044442 its reverse (244440130314044), we get a palindrome (684853161358486).

The spelling of 440413031044442 in words is "four hundred forty trillion, four hundred thirteen billion, thirty-one million, forty-four thousand, four hundred forty-two".