404066770 has 8 divisors (see below), whose sum is σ = 727320204. Its totient is φ = 161626704.

The previous prime is 404066717. The next prime is 404066771. The reversal of 404066770 is 77660404.

404066770 is digitally balanced in base 6, 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 2 ways, for example, as 394062201 + 10004569 = 19851^2 + 3163^2 .

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 (404066771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20203329 + ... + 20203348.

Almost surely, 2^404066770 is an apocalyptic number.

404066770 is a deficient number, since it is larger than the sum of its proper divisors (323253434).

404066770 is a wasteful number, since it uses less digits than its factorization.

404066770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40406684.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 404066770 is about 20101.4121394493. The cubic root of 404066770 is about 739.2949030018.

The spelling of 404066770 in words is "four hundred four million, sixty-six thousand, seven hundred seventy".