441454215021440 has 64 divisors (see below), whose sum is σ = 1055452984560000. Its totient is φ = 176564702705664.

The previous prime is 441454215021419. The next prime is 441454215021487. The reversal of 441454215021440 is 44120512454144.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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, 26509955 + ... + 39820674.

It is an arithmetic number, because the mean of its divisors is an integer number (16491452883750).

Almost surely, 2^{441454215021440} is an apocalyptic number.

441454215021440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441454215021440 is an abundant number, since it is smaller than the sum of its proper divisors (613998769538560).

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

441454215021440 is a wasteful number, since it uses less digits than its factorization.

441454215021440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66341047 (or 66341035 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 41.

Adding to 441454215021440 its reverse (44120512454144), we get a palindrome (485574727475584).

The spelling of 441454215021440 in words is "four hundred forty-one trillion, four hundred fifty-four billion, two hundred fifteen million, twenty-one thousand, four hundred forty".