445305042550544 has 40 divisors (see below), whose sum is σ = 941245204850112. Its totient is φ = 202404442331520.

The previous prime is 445305042550469. The next prime is 445305042550573. The reversal of 445305042550544 is 445055240503544.

It is a junction number, because it is equal to n+sod(n) for n = 445305042550492 and 445305042550501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38230004 + ... + 48498899.

Almost surely, 2^{445305042550544} is an apocalyptic number.

445305042550544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445305042550544 is an abundant number, since it is smaller than the sum of its proper divisors (495940162299568).

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

445305042550544 is a wasteful number, since it uses less digits than its factorization.

445305042550544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86758095 (or 86758089 counting only the distinct ones).

The product of its (nonzero) digits is 19200000, while the sum is 50.

The spelling of 445305042550544 in words is "four hundred forty-five trillion, three hundred five billion, forty-two million, five hundred fifty thousand, five hundred forty-four".