424144404 has 48 divisors (see below), whose sum is σ = 1100850240. Its totient is φ = 141225120.

The previous prime is 424144367. The next prime is 424144423. The reversal of 424144404 is 404441424.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137034 + ... + 140094.

It is an arithmetic number, because the mean of its divisors is an integer number (22934380).

Almost surely, 2^424144404 is an apocalyptic number.

It is an amenable number.

424144404 is an abundant number, since it is smaller than the sum of its proper divisors (676705836).

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

424144404 is a wasteful number, since it uses less digits than its factorization.

424144404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357 (or 4349 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 424144404 is about 20594.7664225647. The cubic root of 424144404 is about 751.3424277500.

Adding to 424144404 its reverse (404441424), we get a palindrome (828585828).

The spelling of 424144404 in words is "four hundred twenty-four million, one hundred forty-four thousand, four hundred four".