445556655544 has 128 divisors (see below), whose sum is σ = 1187662694400. Its totient is φ = 150814218240.

The previous prime is 445556655521. The next prime is 445556655547.

445556655544 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445556655547) by changing a digit.

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, 1500304 + ... + 1772575.

It is an arithmetic number, because the mean of its divisors is an integer number (9278614800).

Almost surely, 2^445556655544 is an apocalyptic number.

445556655544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445556655544 is an abundant number, since it is smaller than the sum of its proper divisors (742106038856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445556655544 is a wasteful number, since it uses less digits than its factorization.

445556655544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272933 (or 3272929 counting only the distinct ones).

The product of its digits is 144000000, while the sum is 58.

The spelling of 445556655544 in words is "four hundred forty-five billion, five hundred fifty-six million, six hundred fifty-five thousand, five hundred forty-four".