1040020304 has 10 divisors (see below), whose sum is σ = 2015039370. Its totient is φ = 520010144.

The previous prime is 1040020253. The next prime is 1040020307. The reversal of 1040020304 is 4030200401.

It can be written as a sum of positive squares in only one way, i.e., 762864400 + 277155904 = 27620^2 + 16648^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040020307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32500619 + ... + 32500650.

It is an arithmetic number, because the mean of its divisors is an integer number (201503937).

Almost surely, 2^1040020304 is an apocalyptic number.

It is an amenable number.

1040020304 is a deficient number, since it is larger than the sum of its proper divisors (975019066).

1040020304 is an equidigital number, since it uses as much as digits as its factorization.

1040020304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65001277 (or 65001271 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1040020304 is about 32249.3457918141. The cubic root of 1040020304 is about 1013.1659971069.

Adding to 1040020304 its reverse (4030200401), we get a palindrome (5070220705).

The spelling of 1040020304 in words is "one billion, forty million, twenty thousand, three hundred four".