40442400200444 has 24 divisors (see below), whose sum is σ = 77257742889600. Its totient is φ = 18371117676080.

The previous prime is 40442400200429. The next prime is 40442400200467. The reversal of 40442400200444 is 44400200424404.

It is a self number, because there is not a number n which added to its sum of digits gives 40442400200444.

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, 294718274 + ... + 294855465.

It is an arithmetic number, because the mean of its divisors is an integer number (3219072620400).

Almost surely, 2^{40442400200444} is an apocalyptic number.

40442400200444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40442400200444 is a deficient number, since it is larger than the sum of its proper divisors (36815342689156).

40442400200444 is a wasteful number, since it uses less digits than its factorization.

40442400200444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589575313 (or 589575311 counting only the distinct ones).

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

Adding to 40442400200444 its reverse (44400200424404), we get a palindrome (84842600624848).

The spelling of 40442400200444 in words is "forty trillion, four hundred forty-two billion, four hundred million, two hundred thousand, four hundred forty-four".