408066770 has 8 divisors (see below), whose sum is σ = 734520204. Its totient is φ = 163226704.

The previous prime is 408066767. The next prime is 408066773. The reversal of 408066770 is 77660804.

It is an interprime number because it is at equal distance from previous prime (408066767) and next prime (408066773).

It can be written as a sum of positive squares in 2 ways, for example, as 400120009 + 7946761 = 20003^2 + 2819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (408066773) 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 in 3 ways as a sum of consecutive naturals, for example, 20403329 + ... + 20403348.

Almost surely, 2^408066770 is an apocalyptic number.

408066770 is a deficient number, since it is larger than the sum of its proper divisors (326453434).

408066770 is a wasteful number, since it uses less digits than its factorization.

408066770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40806684.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 408066770 is about 20200.6626128947. The cubic root of 408066770 is about 741.7264110999.

The spelling of 408066770 in words is "four hundred eight million, sixty-six thousand, seven hundred seventy".