404040124 has 6 divisors (see below), whose sum is σ = 707070224. Its totient is φ = 202020060.

The previous prime is 404040101. The next prime is 404040127. The reversal of 404040124 is 421040404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404040127) 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 as a sum of consecutive naturals, namely, 50505012 + ... + 50505019.

Almost surely, 2^404040124 is an apocalyptic number.

It is an amenable number.

404040124 is a deficient number, since it is larger than the sum of its proper divisors (303030100).

404040124 is a wasteful number, since it uses less digits than its factorization.

404040124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010035 (or 101010033 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 404040124 is about 20100.7493392659. The cubic root of 404040124 is about 739.2786518222.

Adding to 404040124 its reverse (421040404), we get a palindrome (825080528).

The spelling of 404040124 in words is "four hundred four million, forty thousand, one hundred twenty-four".