404144010 has 48 divisors (see below), whose sum is σ = 1054269216. Its totient is φ = 107413344.

The previous prime is 404143991. The next prime is 404144033. The reversal of 404144010 is 10441404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20317 + ... + 34943.

It is an arithmetic number, because the mean of its divisors is an integer number (21963942).

Almost surely, 2^404144010 is an apocalyptic number.

404144010 is an abundant number, since it is smaller than the sum of its proper divisors (650125206).

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

404144010 is a wasteful number, since it uses less digits than its factorization.

404144010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14947 (or 14944 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 404144010 is about 20103.3333056983. Note that the first 4 decimals coincide. The cubic root of 404144010 is about 739.3420070156.

Adding to 404144010 its reverse (10441404), we get a palindrome (414585414).

The spelling of 404144010 in words is "four hundred four million, one hundred forty-four thousand, ten".