404031024 has 40 divisors (see below), whose sum is σ = 1159719920. Its totient is φ = 134676864.

The previous prime is 404031013. The next prime is 404031049. The reversal of 404031024 is 420130404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 404030988 and 404031006.

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, 467197 + ... + 468060.

It is an arithmetic number, because the mean of its divisors is an integer number (28992998).

Almost surely, 2^404031024 is an apocalyptic number.

It is an amenable number.

404031024 is an abundant number, since it is smaller than the sum of its proper divisors (755688896).

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

404031024 is a wasteful number, since it uses less digits than its factorization.

404031024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935274 (or 935262 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 404031024 is about 20100.5229782710. The cubic root of 404031024 is about 739.2731016422.

Adding to 404031024 its reverse (420130404), we get a palindrome (824161428).

The spelling of 404031024 in words is "four hundred four million, thirty-one thousand, twenty-four".