40105506543884 has 24 divisors (see below), whose sum is σ = 71148901803840. Its totient is φ = 19777790687616.

The previous prime is 40105506543871. The next prime is 40105506543887. The reversal of 40105506543884 is 48834560550104.

It is not an unprimeable number, because it can be changed into a prime (40105506543887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67428647 + ... + 68020830.

It is an arithmetic number, because the mean of its divisors is an integer number (2964537575160).

Almost surely, 2^{40105506543884} is an apocalyptic number.

It is an amenable number.

40105506543884 is a deficient number, since it is larger than the sum of its proper divisors (31043395259956).

40105506543884 is a wasteful number, since it uses less digits than its factorization.

40105506543884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135450497 (or 135450495 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 53.

The spelling of 40105506543884 in words is "forty trillion, one hundred five billion, five hundred six million, five hundred forty-three thousand, eight hundred eighty-four".