404544552 has 16 divisors (see below), whose sum is σ = 1011361440. Its totient is φ = 134848176.

The previous prime is 404544541. The next prime is 404544571. The reversal of 404544552 is 255445404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8427988 + ... + 8428035.

It is an arithmetic number, because the mean of its divisors is an integer number (63210090).

Almost surely, 2^404544552 is an apocalyptic number.

It is an amenable number.

404544552 is an abundant number, since it is smaller than the sum of its proper divisors (606816888).

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

404544552 is a wasteful number, since it uses less digits than its factorization.

404544552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16856032 (or 16856028 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 404544552 is about 20113.2929178690. The cubic root of 404544552 is about 739.5861771959.

Adding to 404544552 its reverse (255445404), we get a palindrome (659989956).

The spelling of 404544552 in words is "four hundred four million, five hundred forty-four thousand, five hundred fifty-two".