85446533564458 has 32 divisors (see below), whose sum is σ = 140299838078400. Its totient is φ = 38706530751360.

The previous prime is 85446533564453. The next prime is 85446533564467.

85446533564458 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×85446533564458² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85446533564453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40667718 + ... + 42717166.

It is an arithmetic number, because the mean of its divisors is an integer number (4384369939950).

Almost surely, 2^{85446533564458} is an apocalyptic number.

85446533564458 is a deficient number, since it is larger than the sum of its proper divisors (54853304513942).

85446533564458 is a wasteful number, since it uses less digits than its factorization.

85446533564458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055942.

The product of its digits is 3317760000, while the sum is 70.

The spelling of 85446533564458 in words is "eighty-five trillion, four hundred forty-six billion, five hundred thirty-three million, five hundred sixty-four thousand, four hundred fifty-eight".