1004500404 has 36 divisors (see below), whose sum is σ = 2559158784. Its totient is φ = 332195472.

The previous prime is 1004500391. The next prime is 1004500421. The reversal of 1004500404 is 4040054001.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105282 + ... + 114425.

It is an arithmetic number, because the mean of its divisors is an integer number (71087744).

Almost surely, 2^1004500404 is an apocalyptic number.

It is an amenable number.

1004500404 is an abundant number, since it is smaller than the sum of its proper divisors (1554658380).

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

1004500404 is a wasteful number, since it uses less digits than its factorization.

1004500404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219844 (or 219839 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1004500404 is about 31693.8543569570. The cubic root of 1004500404 is about 1001.4978898723.

Adding to 1004500404 its reverse (4040054001), we get a palindrome (5044554405).

The spelling of 1004500404 in words is "one billion, four million, five hundred thousand, four hundred four".