40444044400240 has 80 divisors (see below), whose sum is σ = 101276005920768. Its totient is φ = 14931660699648.

The previous prime is 40444044400229. The next prime is 40444044400301. The reversal of 40444044400240 is 4200444044404.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 40444044400196 and 40444044400205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8229009 + ... + 12190351.

Almost surely, 2^{40444044400240} is an apocalyptic number.

40444044400240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40444044400240 is an abundant number, since it is smaller than the sum of its proper divisors (60831961520528).

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

40444044400240 is a wasteful number, since it uses less digits than its factorization.

40444044400240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971186 (or 3971180 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 40444044400240 its reverse (4200444044404), we get a palindrome (44644488444644).

The spelling of 40444044400240 in words is "forty trillion, four hundred forty-four billion, forty-four million, four hundred thousand, two hundred forty".