40944448 has 14 divisors (see below), whose sum is σ = 81249266. Its totient is φ = 20472192.

The previous prime is 40944413. The next prime is 40944509. The reversal of 40944448 is 84444904.

It can be written as a sum of positive squares in only one way, i.e., 34951744 + 5992704 = 5912^2 + 2448^2 .

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, 319815 + ... + 319942.

It is an arithmetic number, because the mean of its divisors is an integer number (5803519).

Almost surely, 2^40944448 is an apocalyptic number.

It is an amenable number.

40944448 is a deficient number, since it is larger than the sum of its proper divisors (40304818).

40944448 is an equidigital number, since it uses as much as digits as its factorization.

40944448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639769 (or 639759 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 40944448 is about 6398.7848846480. The cubic root of 40944448 is about 344.6659175799.

The spelling of 40944448 in words is "forty million, nine hundred forty-four thousand, four hundred forty-eight".