40440338839216 has 40 divisors (see below), whose sum is σ = 78680760537600. Its totient is φ = 20135751616320.

The previous prime is 40440338839213. The next prime is 40440338839237. The reversal of 40440338839216 is 61293883304404.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40440338839211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259055 + ... + 9081073.

It is an arithmetic number, because the mean of its divisors is an integer number (1967019013440).

Almost surely, 2^{40440338839216} is an apocalyptic number.

It is an amenable number.

40440338839216 is a deficient number, since it is larger than the sum of its proper divisors (38240421698384).

40440338839216 is a wasteful number, since it uses less digits than its factorization.

40440338839216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7823377 (or 7823371 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 55.

The spelling of 40440338839216 in words is "forty trillion, four hundred forty billion, three hundred thirty-eight million, eight hundred thirty-nine thousand, two hundred sixteen".