7819406466 has 64 divisors (see below), whose sum is σ = 16315136640. Its totient is φ = 2496614400.

The previous prime is 7819406459. The next prime is 7819406477. The reversal of 7819406466 is 6646049187.

It is a super-2 number, since 2×7819406466² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2838946 + ... + 2841698.

It is an arithmetic number, because the mean of its divisors is an integer number (254924010).

Almost surely, 2^7819406466 is an apocalyptic number.

7819406466 is an abundant number, since it is smaller than the sum of its proper divisors (8495730174).

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

7819406466 is a wasteful number, since it uses less digits than its factorization.

7819406466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 7819406466 is about 88427.4078891833. The cubic root of 7819406466 is about 1984.8358537523.

The spelling of 7819406466 in words is "seven billion, eight hundred nineteen million, four hundred six thousand, four hundred sixty-six".