40105510856843 has 8 divisors (see below), whose sum is σ = 41855416850688. Its totient is φ = 38356120540584.

The previous prime is 40105510856833. The next prime is 40105510856911. The reversal of 40105510856843 is 34865801550104.

40105510856843 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 not a de Polignac number, because 40105510856843 - 2⁶ = 40105510856779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40105510856791 and 40105510856800.

It is not an unprimeable number, because it can be changed into a prime (40105510856833) 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, 128760455 + ... + 129071552.

It is an arithmetic number, because the mean of its divisors is an integer number (5231927106336).

Almost surely, 2^{40105510856843} is an apocalyptic number.

40105510856843 is a deficient number, since it is larger than the sum of its proper divisors (1749905993845).

40105510856843 is a wasteful number, since it uses less digits than its factorization.

40105510856843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257838793.

The product of its (nonzero) digits is 2304000, while the sum is 50.

The spelling of 40105510856843 in words is "forty trillion, one hundred five billion, five hundred ten million, eight hundred fifty-six thousand, eight hundred forty-three".