304001032340 has 12 divisors (see below), whose sum is σ = 638402167956. Its totient is φ = 121600412928.

The previous prime is 304001032273. The next prime is 304001032343. The reversal of 304001032340 is 43230100403.

It can be written as a sum of positive squares in 2 ways, for example, as 102146716816 + 201854315524 = 319604^2 + 449282^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 15200051617 = 304001032340 / (3 + 0 + 4 + 0 + 0 + 1 + 0 + 3 + 2 + 3 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304001032343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7600025789 + ... + 7600025828.

It is an arithmetic number, because the mean of its divisors is an integer number (53200180663).

Almost surely, 2^304001032340 is an apocalyptic number.

It is an amenable number.

304001032340 is an abundant number, since it is smaller than the sum of its proper divisors (334401135616).

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

304001032340 is a wasteful number, since it uses less digits than its factorization.

304001032340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15200051626 (or 15200051624 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 304001032340 its reverse (43230100403), we get a palindrome (347231132743).

The spelling of 304001032340 in words is "three hundred four billion, one million, thirty-two thousand, three hundred forty".