404147064 has 16 divisors (see below), whose sum is σ = 1010367720. Its totient is φ = 134715680.

The previous prime is 404147063. The next prime is 404147071. The reversal of 404147064 is 460741404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404147063) 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, 8419707 + ... + 8419754.

Almost surely, 2^404147064 is an apocalyptic number.

It is an amenable number.

404147064 is an abundant number, since it is smaller than the sum of its proper divisors (606220656).

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

404147064 is a wasteful number, since it uses less digits than its factorization.

404147064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16839470 (or 16839466 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 404147064 is about 20103.4092631076. The cubic root of 404147064 is about 739.3438693426.

Adding to 404147064 its reverse (460741404), we get a palindrome (864888468).

The spelling of 404147064 in words is "four hundred four million, one hundred forty-seven thousand, sixty-four".