8456441043655 has 32 divisors (see below), whose sum is σ = 11263498322688. Its totient is φ = 6043236672000.

The previous prime is 8456441043593. The next prime is 8456441043691. The reversal of 8456441043655 is 5563401446548.

It is not a de Polignac number, because 8456441043655 - 2⁹ = 8456441043143 is a prime.

It is a super-2 number, since 2×8456441043655² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 8456441043596 and 8456441043605.

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 31 ways as a sum of consecutive naturals, for example, 1383697 + ... + 4339066.

It is an arithmetic number, because the mean of its divisors is an integer number (351984322584).

Almost surely, 2^{8456441043655} is an apocalyptic number.

8456441043655 is a deficient number, since it is larger than the sum of its proper divisors (2807057279033).

8456441043655 is a wasteful number, since it uses less digits than its factorization.

8456441043655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723247.

The product of its (nonzero) digits is 27648000, while the sum is 55.

The spelling of 8456441043655 in words is "eight trillion, four hundred fifty-six billion, four hundred forty-one million, forty-three thousand, six hundred fifty-five".