40844715447 has 8 divisors (see below), whose sum is σ = 54460621440. Its totient is φ = 27229309880.

The previous prime is 40844715437. The next prime is 40844715481. The reversal of 40844715447 is 74451744804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40844715447 - 2⁶ = 40844715383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40844715396 and 40844715405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40844715407) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 154822 + ... + 325052.

It is an arithmetic number, because the mean of its divisors is an integer number (6807577680).

Almost surely, 2^40844715447 is an apocalyptic number.

40844715447 is a deficient number, since it is larger than the sum of its proper divisors (13615905993).

40844715447 is a wasteful number, since it uses less digits than its factorization.

40844715447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250213.

The product of its (nonzero) digits is 2007040, while the sum is 48.

The spelling of 40844715447 in words is "forty billion, eight hundred forty-four million, seven hundred fifteen thousand, four hundred forty-seven".