1406355466 has 4 divisors (see below), whose sum is σ = 2109533202. Its totient is φ = 703177732.

The previous prime is 1406355443. The next prime is 1406355469. The reversal of 1406355466 is 6645536041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1144401241 + 261954225 = 33829^2 + 16185^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1406355469) by changing a digit.

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 as a sum of consecutive naturals, namely, 351588865 + ... + 351588868.

Almost surely, 2^1406355466 is an apocalyptic number.

1406355466 is a deficient number, since it is larger than the sum of its proper divisors (703177736).

1406355466 is an equidigital number, since it uses as much as digits as its factorization.

1406355466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703177735.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 1406355466 is about 37501.4061869685. The cubic root of 1406355466 is about 1120.3791939885.

The spelling of 1406355466 in words is "one billion, four hundred six million, three hundred fifty-five thousand, four hundred sixty-six".