404030288 has 40 divisors (see below), whose sum is σ = 831777120. Its totient is φ = 189578880.

The previous prime is 404030239. The next prime is 404030303. The reversal of 404030288 is 882030404.

It is a self number, because there is not a number n which added to its sum of digits gives 404030288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26318 + ... + 38738.

It is an arithmetic number, because the mean of its divisors is an integer number (20794428).

Almost surely, 2^404030288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404030288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415888560).

404030288 is an abundant number, since it is smaller than the sum of its proper divisors (427746832).

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

404030288 is a wasteful number, since it uses less digits than its factorization.

404030288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12555 (or 12549 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 404030288 is about 20100.5046702813. The cubic root of 404030288 is about 739.2726527449.

The spelling of 404030288 in words is "four hundred four million, thirty thousand, two hundred eighty-eight".