445421043550552 has 32 divisors (see below), whose sum is σ = 835797420964800. Its totient is φ = 222541749121824.

The previous prime is 445421043550529. The next prime is 445421043550573. The reversal of 445421043550552 is 255055340124544.

It is a junction number, because it is equal to n+sod(n) for n = 445421043550496 and 445421043550505.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 200490403 + ... + 202699885.

It is an arithmetic number, because the mean of its divisors is an integer number (26118669405150).

Almost surely, 2^{445421043550552} is an apocalyptic number.

It is an amenable number.

445421043550552 is a deficient number, since it is larger than the sum of its proper divisors (390376377414248).

445421043550552 is a wasteful number, since it uses less digits than its factorization.

445421043550552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228575 (or 2228571 counting only the distinct ones).

The product of its (nonzero) digits is 9600000, while the sum is 49.

The spelling of 445421043550552 in words is "four hundred forty-five trillion, four hundred twenty-one billion, forty-three million, five hundred fifty thousand, five hundred fifty-two".