1304333340 has 48 divisors (see below), whose sum is σ = 3702175008. Its totient is φ = 343056384.

The previous prime is 1304333323. The next prime is 1304333357. The reversal of 1304333340 is 433334031.

It is an interprime number because it is at equal distance from previous prime (1304333323) and next prime (1304333357).

It is a self number, because there is not a number n which added to its sum of digits gives 1304333340.

It is a congruent number.

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, 144517 + ... + 153276.

It is an arithmetic number, because the mean of its divisors is an integer number (77128646).

Almost surely, 2^1304333340 is an apocalyptic number.

1304333340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304333340 is an abundant number, since it is smaller than the sum of its proper divisors (2397841668).

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

1304333340 is a wasteful number, since it uses less digits than its factorization.

1304333340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297878 (or 297876 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

The square root of 1304333340 is about 36115.5553743813. Note that the first 3 decimals coincide. The cubic root of 1304333340 is about 1092.6041987726.

Adding to 1304333340 its reverse (433334031), we get a palindrome (1737667371).

The spelling of 1304333340 in words is "one billion, three hundred four million, three hundred thirty-three thousand, three hundred forty".