40168844415087 has 64 divisors (see below), whose sum is σ = 55723703832576. Its totient is φ = 25717292052480.

The previous prime is 40168844415067. The next prime is 40168844415151. The reversal of 40168844415087 is 78051444886104.

It is a happy number.

It is not a de Polignac number, because 40168844415087 - 2¹⁶ = 40168844349551 is a prime.

It is a super-2 number, since 2×40168844415087² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40168844415087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40168844415017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5878650823 + ... + 5878657655.

It is an arithmetic number, because the mean of its divisors is an integer number (870682872384).

Almost surely, 2^{40168844415087} is an apocalyptic number.

40168844415087 is a deficient number, since it is larger than the sum of its proper divisors (15554859417489).

40168844415087 is a wasteful number, since it uses less digits than its factorization.

40168844415087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600.

The product of its (nonzero) digits is 27525120, while the sum is 60.

The spelling of 40168844415087 in words is "forty trillion, one hundred sixty-eight billion, eight hundred forty-four million, four hundred fifteen thousand, eighty-seven".