1304340420 has 48 divisors (see below), whose sum is σ = 3673293120. Its totient is φ = 345810816.

The previous prime is 1304340413. The next prime is 1304340437. The reversal of 1304340420 is 240434031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52450 + ... + 73209.

It is an arithmetic number, because the mean of its divisors is an integer number (76526940).

Almost surely, 2^1304340420 is an apocalyptic number.

1304340420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304340420 is an abundant number, since it is smaller than the sum of its proper divisors (2368952700).

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

1304340420 is a wasteful number, since it uses less digits than its factorization.

1304340420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125844 (or 125842 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1304340420 is about 36115.6533929541. The cubic root of 1304340420 is about 1092.6061756762.

Adding to 1304340420 its reverse (240434031), we get a palindrome (1544774451).

The spelling of 1304340420 in words is "one billion, three hundred four million, three hundred forty thousand, four hundred twenty".