40551244163 has 16 divisors (see below), whose sum is σ = 41855958144. Its totient is φ = 39267204480.

The previous prime is 40551244159. The next prime is 40551244169. The reversal of 40551244163 is 36144215504.

It is a cyclic number.

It is not a de Polignac number, because 40551244163 - 2² = 40551244159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40551244169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1663781 + ... + 1687977.

It is an arithmetic number, because the mean of its divisors is an integer number (2615997384).

Almost surely, 2^40551244163 is an apocalyptic number.

40551244163 is a deficient number, since it is larger than the sum of its proper divisors (1304713981).

40551244163 is a wasteful number, since it uses less digits than its factorization.

40551244163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24622.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 40551244163 its reverse (36144215504), we get a palindrome (76695459667).

The spelling of 40551244163 in words is "forty billion, five hundred fifty-one million, two hundred forty-four thousand, one hundred sixty-three".