441478016821545 has 32 divisors (see below), whose sum is σ = 780333986027520. Its totient is φ = 211340454536640.

The previous prime is 441478016821507. The next prime is 441478016821553. The reversal of 441478016821545 is 545128610874144.

It is not a de Polignac number, because 441478016821545 - 2²¹ = 441478014724393 is a prime.

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, 16934318259 + ... + 16934344328.

It is an arithmetic number, because the mean of its divisors is an integer number (24385437063360).

Almost surely, 2^{441478016821545} is an apocalyptic number.

It is an amenable number.

441478016821545 is a deficient number, since it is larger than the sum of its proper divisors (338855969205975).

441478016821545 is a wasteful number, since it uses less digits than its factorization.

441478016821545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33868662685.

The product of its (nonzero) digits is 34406400, while the sum is 60.

The spelling of 441478016821545 in words is "four hundred forty-one trillion, four hundred seventy-eight billion, sixteen million, eight hundred twenty-one thousand, five hundred forty-five".