806445174994 has 32 divisors (see below), whose sum is σ = 1249689299760. Its totient is φ = 390097124352.

The previous prime is 806445174959. The next prime is 806445175021. The reversal of 806445174994 is 499471544608.

806445174994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 788766015625 + 17679159369 = 888125^2 + 132963^2 .

It is a super-2 number, since 2×806445174994² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37820424 + ... + 37841740.

Almost surely, 2^806445174994 is an apocalyptic number.

806445174994 is a deficient number, since it is larger than the sum of its proper divisors (443244124766).

806445174994 is a wasteful number, since it uses less digits than its factorization.

806445174994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26334.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 806445174994 in words is "eight hundred six billion, four hundred forty-five million, one hundred seventy-four thousand, nine hundred ninety-four".