404040488 has 32 divisors (see below), whose sum is σ = 765158400. Its totient is φ = 200009088.

The previous prime is 404040487. The next prime is 404040493. The reversal of 404040488 is 884040404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (404040487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499028 + ... + 499836.

It is an arithmetic number, because the mean of its divisors is an integer number (23911200).

Almost surely, 2^404040488 is an apocalyptic number.

It is an amenable number.

404040488 is a deficient number, since it is larger than the sum of its proper divisors (361117912).

404040488 is a wasteful number, since it uses less digits than its factorization.

404040488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 404040488 is about 20100.7583936527. The cubic root of 404040488 is about 739.2788738276.

The spelling of 404040488 in words is "four hundred four million, forty thousand, four hundred eighty-eight".