404494010 has 8 divisors (see below), whose sum is σ = 728089236. Its totient is φ = 161797600.

The previous prime is 404494003. The next prime is 404494019. The reversal of 404494010 is 10494404.

It can be written as a sum of positive squares in 2 ways, for example, as 398681089 + 5812921 = 19967^2 + 2411^2 .

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 (404494019) 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, 20224691 + ... + 20224710.

Almost surely, 2^404494010 is an apocalyptic number.

404494010 is a deficient number, since it is larger than the sum of its proper divisors (323595226).

404494010 is a wasteful number, since it uses less digits than its factorization.

404494010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40449408.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 404494010 is about 20112.0364458699. The cubic root of 404494010 is about 739.5553757088. Note that the first 3 decimals are identical.

The spelling of 404494010 in words is "four hundred four million, four hundred ninety-four thousand, ten".