40044840448 has 20 divisors (see below), whose sum is σ = 80011469340. Its totient is φ = 20022419968.

The previous prime is 40044840359. The next prime is 40044840463. The reversal of 40044840448 is 84404844004.

It is a self number, because there is not a number n which added to its sum of digits gives 40044840448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39105778 + ... + 39106801.

It is an arithmetic number, because the mean of its divisors is an integer number (4000573467).

Almost surely, 2^40044840448 is an apocalyptic number.

It is an amenable number.

40044840448 is a deficient number, since it is larger than the sum of its proper divisors (39966628892).

40044840448 is an frugal number, since it uses more digits than its factorization.

40044840448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78212597 (or 78212581 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

It can be divided in two parts, 400448 and 40448, that added together give a square (440896 = 664²).

The spelling of 40044840448 in words is "forty billion, forty-four million, eight hundred forty thousand, four hundred forty-eight".