445458374068456 has 32 divisors (see below), whose sum is σ = 961840327884480. Its totient is φ = 189453397910400.

The previous prime is 445458374068403. The next prime is 445458374068459. The reversal of 445458374068456 is 654860473854544.

It is not an unprimeable number, because it can be changed into a prime (445458374068459) by changing a digit.

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, 30361114125 + ... + 30361128796.

It is an arithmetic number, because the mean of its divisors is an integer number (30057510246390).

Almost surely, 2^{445458374068456} is an apocalyptic number.

It is an amenable number.

445458374068456 is an abundant number, since it is smaller than the sum of its proper divisors (516381953816024).

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

445458374068456 is a wasteful number, since it uses less digits than its factorization.

445458374068456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60722243065 (or 60722243061 counting only the distinct ones).

The product of its (nonzero) digits is 6193152000, while the sum is 73.

The spelling of 445458374068456 in words is "four hundred forty-five trillion, four hundred fifty-eight billion, three hundred seventy-four million, sixty-eight thousand, four hundred fifty-six".