1304451340 has 12 divisors (see below), whose sum is σ = 2739347856. Its totient is φ = 521780528.

The previous prime is 1304451329. The next prime is 1304451359. The reversal of 1304451340 is 431544031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32611264 + ... + 32611303.

It is an arithmetic number, because the mean of its divisors is an integer number (228278988).

Almost surely, 2^1304451340 is an apocalyptic number.

1304451340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304451340 is an abundant number, since it is smaller than the sum of its proper divisors (1434896516).

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

1304451340 is a wasteful number, since it uses less digits than its factorization.

1304451340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65222576 (or 65222574 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1304451340 is about 36117.1889825330. The cubic root of 1304451340 is about 1092.6371462316.

Adding to 1304451340 its reverse (431544031), we get a palindrome (1735995371).

The spelling of 1304451340 in words is "one billion, three hundred four million, four hundred fifty-one thousand, three hundred forty".