445812058881 has 48 divisors (see below), whose sum is σ = 743442755328. Its totient is φ = 252155376000.

The previous prime is 445812058837. The next prime is 445812058889. The reversal of 445812058881 is 188850218544.

445812058881 is a `hidden beast` number, since 4 + 4 + 58 + 1 + 2 + 0 + 588 + 8 + 1 = 666.

It is not a de Polignac number, because 445812058881 - 2⁶ = 445812058817 is a prime.

It is a super-2 number, since 2×445812058881² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445812058889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28733916 + ... + 28749426.

It is an arithmetic number, because the mean of its divisors is an integer number (15488390736).

Almost surely, 2^445812058881 is an apocalyptic number.

It is an amenable number.

445812058881 is a deficient number, since it is larger than the sum of its proper divisors (297630696447).

445812058881 is a wasteful number, since it uses less digits than its factorization.

445812058881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20142 (or 20139 counting only the distinct ones).

The product of its (nonzero) digits is 3276800, while the sum is 54.

The spelling of 445812058881 in words is "four hundred forty-five billion, eight hundred twelve million, fifty-eight thousand, eight hundred eighty-one".