40040211444 has 48 divisors (see below), whose sum is σ = 98683791360. Its totient is φ = 12615815520.

The previous prime is 40040211397. The next prime is 40040211461. The reversal of 40040211444 is 44411204004.

It is a happy number.

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, 1235574 + ... + 1267565.

It is an arithmetic number, because the mean of its divisors is an integer number (2055912320).

Almost surely, 2^40040211444 is an apocalyptic number.

It is an amenable number.

40040211444 is an abundant number, since it is smaller than the sum of its proper divisors (58643579916).

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

40040211444 is a wasteful number, since it uses less digits than its factorization.

40040211444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503220 (or 2503218 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 40040211444 its reverse (44411204004), we get a palindrome (84451415448).

The spelling of 40040211444 in words is "forty billion, forty million, two hundred eleven thousand, four hundred forty-four".