445355553544 has 32 divisors (see below), whose sum is σ = 958899520800. Its totient is φ = 191779902720.

The previous prime is 445355553529. The next prime is 445355553547.

445355553544 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 445355553491 and 445355553500.

It is not an unprimeable number, because it can be changed into a prime (445355553547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133178817 + ... + 133182160.

It is an arithmetic number, because the mean of its divisors is an integer number (29965610025).

Almost surely, 2^445355553544 is an apocalyptic number.

445355553544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445355553544 is an abundant number, since it is smaller than the sum of its proper divisors (513543967256).

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

445355553544 is a wasteful number, since it uses less digits than its factorization.

445355553544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266361013 (or 266361009 counting only the distinct ones).

The product of its digits is 36000000, while the sum is 52.

It can be divided in two parts, 445355 and 553544, that added together give a palindrome (998899).

The spelling of 445355553544 in words is "four hundred forty-five billion, three hundred fifty-five million, five hundred fifty-three thousand, five hundred forty-four".