40442023200440 has 32 divisors (see below), whose sum is σ = 91114756433280. Its totient is φ = 16155439638912.

The previous prime is 40442023200413. The next prime is 40442023200463. The reversal of 40442023200440 is 4400232024404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667770632 + ... + 667831191.

It is an arithmetic number, because the mean of its divisors is an integer number (2847336138540).

Almost surely, 2^{40442023200440} is an apocalyptic number.

40442023200440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40442023200440 is an abundant number, since it is smaller than the sum of its proper divisors (50672733232840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40442023200440 is a wasteful number, since it uses less digits than its factorization.

40442023200440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335602591 (or 1335602587 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 40442023200440 its reverse (4400232024404), we get a palindrome (44842255224844).

The spelling of 40442023200440 in words is "forty trillion, four hundred forty-two billion, twenty-three million, two hundred thousand, four hundred forty".