441448040477 has 4 divisors (see below), whose sum is σ = 453379068636. Its totient is φ = 429517012320.

The previous prime is 441448040471. The next prime is 441448040491. The reversal of 441448040477 is 774040844144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 316705570756 + 124742469721 = 562766^2 + 353189^2 .

It is a cyclic number.

It is not a de Polignac number, because 441448040477 - 2¹⁰ = 441448039453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441448040471) 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 3 ways as a sum of consecutive naturals, for example, 5965514024 + ... + 5965514097.

It is an arithmetic number, because the mean of its divisors is an integer number (113344767159).

Almost surely, 2^441448040477 is an apocalyptic number.

It is an amenable number.

441448040477 is a deficient number, since it is larger than the sum of its proper divisors (11931028159).

441448040477 is a wasteful number, since it uses less digits than its factorization.

441448040477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931028158.

The product of its (nonzero) digits is 1605632, while the sum is 47.

The spelling of 441448040477 in words is "four hundred forty-one billion, four hundred forty-eight million, forty thousand, four hundred seventy-seven".