1304402032 has 10 divisors (see below), whose sum is σ = 2527278968. Its totient is φ = 652201008.

The previous prime is 1304402009. The next prime is 1304402039. The reversal of 1304402032 is 2302044031.

It is a super-2 number, since 2×1304402032² = 3402929322171458048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304402039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40762548 + ... + 40762579.

Almost surely, 2^1304402032 is an apocalyptic number.

It is an amenable number.

1304402032 is a deficient number, since it is larger than the sum of its proper divisors (1222876936).

1304402032 is an equidigital number, since it uses as much as digits as its factorization.

1304402032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81525135 (or 81525129 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1304402032 is about 36116.5063648188. The cubic root of 1304402032 is about 1092.6233789029.

Adding to 1304402032 its reverse (2302044031), we get a palindrome (3606446063).

The spelling of 1304402032 in words is "one billion, three hundred four million, four hundred two thousand, thirty-two".