40444044444 has 48 divisors (see below), whose sum is σ = 105325194240. Its totient is φ = 13420885680.

The previous prime is 40444044427. The next prime is 40444044457. The reversal of 40444044444 is 44444044404.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40444044399 and 40444044408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815562 + ... + 863729.

It is an arithmetic number, because the mean of its divisors is an integer number (2194274880).

Almost surely, 2^40444044444 is an apocalyptic number.

It is an amenable number.

40444044444 is an abundant number, since it is smaller than the sum of its proper divisors (64881149796).

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

40444044444 is a wasteful number, since it uses less digits than its factorization.

40444044444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679527 (or 1679519 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 40444044444 its reverse (44444044404), we get a palindrome (84888088848).

The spelling of 40444044444 in words is "forty billion, four hundred forty-four million, forty-four thousand, four hundred forty-four".