40040656255 has 8 divisors (see below), whose sum is σ = 48725531424. Its totient is φ = 31581362400.

The previous prime is 40040656181. The next prime is 40040656267. The reversal of 40040656255 is 55265604004.

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

It is not a de Polignac number, because 40040656255 - 2⁷ = 40040656127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 56394936 + ... + 56395645.

It is an arithmetic number, because the mean of its divisors is an integer number (6090691428).

Almost surely, 2^40040656255 is an apocalyptic number.

40040656255 is a deficient number, since it is larger than the sum of its proper divisors (8684875169).

40040656255 is a wasteful number, since it uses less digits than its factorization.

40040656255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112790657.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 40040656255 in words is "forty billion, forty million, six hundred fifty-six thousand, two hundred fifty-five".