85040312120474 has 12 divisors (see below), whose sum is σ = 131808059215722. Its totient is φ = 41148538121880.

The previous prime is 85040312120459. The next prime is 85040312120497. The reversal of 85040312120474 is 47402121304058.

It can be written as a sum of positive squares in only one way, i.e., 66498202457449 + 18542109663025 = 8154643^2 + 4306055^2 .

It is a super-2 number, since 2×85040312120474² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22122868037 + ... + 22122871880.

Almost surely, 2^{85040312120474} is an apocalyptic number.

85040312120474 is a deficient number, since it is larger than the sum of its proper divisors (46767747095248).

85040312120474 is a wasteful number, since it uses less digits than its factorization.

85040312120474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44245739981 (or 44245739950 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 85040312120474 in words is "eighty-five trillion, forty billion, three hundred twelve million, one hundred twenty thousand, four hundred seventy-four".