304140421144240 has 40 divisors (see below), whose sum is σ = 717086007049248. Its totient is φ = 119942701294080.

The previous prime is 304140421144213. The next prime is 304140421144267. The reversal of 304140421144240 is 42441124041403.

It is an interprime number because it is at equal distance from previous prime (304140421144213) and next prime (304140421144267).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 304140421144196 and 304140421144205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26772918717 + ... + 26772930076.

Almost surely, 2^{304140421144240} is an apocalyptic number.

It is an amenable number.

304140421144240 is an abundant number, since it is smaller than the sum of its proper divisors (412945585905008).

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

304140421144240 is a wasteful number, since it uses less digits than its factorization.

304140421144240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53545848877 (or 53545848871 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 304140421144240 its reverse (42441124041403), we get a palindrome (346581545185643).

The spelling of 304140421144240 in words is "three hundred four trillion, one hundred forty billion, four hundred twenty-one million, one hundred forty-four thousand, two hundred forty".