40050045655 has 4 divisors (see below), whose sum is σ = 48060054792. Its totient is φ = 32040036520.

The previous prime is 40050045617. The next prime is 40050045671. The reversal of 40050045655 is 55654005004.

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

It is not a de Polignac number, because 40050045655 - 2²⁷ = 39915827927 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 40050045655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4005004561 + ... + 4005004570.

It is an arithmetic number, because the mean of its divisors is an integer number (12015013698).

Almost surely, 2^40050045655 is an apocalyptic number.

40050045655 is a deficient number, since it is larger than the sum of its proper divisors (8010009137).

40050045655 is an equidigital number, since it uses as much as digits as its factorization.

40050045655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010009136.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 40050045655 in words is "forty billion, fifty million, forty-five thousand, six hundred fifty-five".