40171224655 has 64 divisors (see below), whose sum is σ = 54534332160. Its totient is φ = 28244975616.

The previous prime is 40171224649. The next prime is 40171224707. The reversal of 40171224655 is 55642217104.

It is a cyclic number.

It is not a de Polignac number, because 40171224655 - 2⁵ = 40171224623 is a prime.

It is a super-2 number, since 2×40171224655² (a number of 22 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 23726989 + ... + 23728681.

It is an arithmetic number, because the mean of its divisors is an integer number (852098940).

Almost surely, 2^40171224655 is an apocalyptic number.

40171224655 is a deficient number, since it is larger than the sum of its proper divisors (14363107505).

40171224655 is a wasteful number, since it uses less digits than its factorization.

40171224655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 40171224655 in words is "forty billion, one hundred seventy-one million, two hundred twenty-four thousand, six hundred fifty-five".