40044003340 has 24 divisors (see below), whose sum is σ = 91737171792. Its totient is φ = 14561455680.

The previous prime is 40044003301. The next prime is 40044003341. The reversal of 40044003340 is 4330044004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (40044003341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91008879 + ... + 91009318.

It is an arithmetic number, because the mean of its divisors is an integer number (3822382158).

Almost surely, 2^40044003340 is an apocalyptic number.

It is an amenable number.

40044003340 is an abundant number, since it is smaller than the sum of its proper divisors (51693168452).

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

40044003340 is a wasteful number, since it uses less digits than its factorization.

40044003340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182018217 (or 182018215 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 40044003340 its reverse (4330044004), we get a palindrome (44374047344).

The spelling of 40044003340 in words is "forty billion, forty-four million, three thousand, three hundred forty".