404049528 has 48 divisors (see below), whose sum is σ = 1114958520. Its totient is φ = 132140736.

The previous prime is 404049521. The next prime is 404049589. The reversal of 404049528 is 825940404.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 404049492 and 404049501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404049521) 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 in 11 ways as a sum of consecutive naturals, for example, 49126 + ... + 56757.

Almost surely, 2^404049528 is an apocalyptic number.

It is an amenable number.

404049528 is an abundant number, since it is smaller than the sum of its proper divisors (710908992).

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

404049528 is a wasteful number, since it uses less digits than its factorization.

404049528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105948 (or 105941 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 404049528 is about 20100.9832595324. The cubic root of 404049528 is about 739.2843873272.

The spelling of 404049528 in words is "four hundred four million, forty-nine thousand, five hundred twenty-eight".