304405115143340 has 48 divisors (see below), whose sum is σ = 646661646188544. Its totient is φ = 120357520920000.

The previous prime is 304405115143319. The next prime is 304405115143357. The reversal of 304405115143340 is 43341511504403.

It is a junction number, because it is equal to n+sod(n) for n = 304405115143294 and 304405115143303.

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, 220427036 + ... + 221803715.

It is an arithmetic number, because the mean of its divisors is an integer number (13472117628928).

Almost surely, 2^{304405115143340} is an apocalyptic number.

It is an amenable number.

304405115143340 is an abundant number, since it is smaller than the sum of its proper divisors (342256531045204).

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

304405115143340 is a wasteful number, since it uses less digits than its factorization.

304405115143340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442231158 (or 442231156 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 304405115143340 its reverse (43341511504403), we get a palindrome (347746626647743).

The spelling of 304405115143340 in words is "three hundred four trillion, four hundred five billion, one hundred fifteen million, one hundred forty-three thousand, three hundred forty".