40105571854867 has 8 divisors (see below), whose sum is σ = 42870006819360. Its totient is φ = 37426196427840.

The previous prime is 40105571854847. The next prime is 40105571854891. The reversal of 40105571854867 is 76845817550104.

40105571854867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40105571854867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40105571854847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21264883392 + ... + 21264885277.

It is an arithmetic number, because the mean of its divisors is an integer number (5358750852420).

Almost surely, 2^{40105571854867} is an apocalyptic number.

40105571854867 is a deficient number, since it is larger than the sum of its proper divisors (2764434964493).

40105571854867 is a wasteful number, since it uses less digits than its factorization.

40105571854867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42529768733.

The product of its (nonzero) digits is 37632000, while the sum is 61.

The spelling of 40105571854867 in words is "forty trillion, one hundred five billion, five hundred seventy-one million, eight hundred fifty-four thousand, eight hundred sixty-seven".