445068531540831 has 128 divisors (see below), whose sum is σ = 701405052751872. Its totient is φ = 247984848896000.

The previous prime is 445068531540827. The next prime is 445068531540863. The reversal of 445068531540831 is 138045135860544.

It is a cyclic number.

It is not a de Polignac number, because 445068531540831 - 2² = 445068531540827 is a prime.

It is a super-2 number, since 2×445068531540831² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445068531580831) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 75937299841 + ... + 75937305701.

It is an arithmetic number, because the mean of its divisors is an integer number (5479726974624).

Almost surely, 2^{445068531540831} is an apocalyptic number.

445068531540831 is a deficient number, since it is larger than the sum of its proper divisors (256336521211041).

445068531540831 is a wasteful number, since it uses less digits than its factorization.

445068531540831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11073.

The product of its (nonzero) digits is 27648000, while the sum is 57.

The spelling of 445068531540831 in words is "four hundred forty-five trillion, sixty-eight billion, five hundred thirty-one million, five hundred forty thousand, eight hundred thirty-one".