40814665582247 has 4 divisors (see below), whose sum is σ = 42589216259760. Its totient is φ = 39040114904736.

The previous prime is 40814665582199. The next prime is 40814665582261. The reversal of 40814665582247 is 74228556641804.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40814665582247 - 2¹⁶ = 40814665516711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40814665582247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40814662582247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887275338722 + ... + 887275338767.

It is an arithmetic number, because the mean of its divisors is an integer number (10647304064940).

Almost surely, 2^{40814665582247} is an apocalyptic number.

40814665582247 is a deficient number, since it is larger than the sum of its proper divisors (1774550677513).

40814665582247 is a wasteful number, since it uses less digits than its factorization.

40814665582247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774550677512.

The product of its (nonzero) digits is 103219200, while the sum is 62.

The spelling of 40814665582247 in words is "forty trillion, eight hundred fourteen billion, six hundred sixty-five million, five hundred eighty-two thousand, two hundred forty-seven".