304312115400 has 48 divisors (see below), whose sum is σ = 943367559600. Its totient is φ = 81149897280.

The previous prime is 304312115389. The next prime is 304312115447. The reversal of 304312115400 is 4511213403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253592830 + ... + 253594029.

It is an arithmetic number, because the mean of its divisors is an integer number (19653490825).

Almost surely, 2^304312115400 is an apocalyptic number.

304312115400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304312115400 is an abundant number, since it is smaller than the sum of its proper divisors (639055444200).

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

304312115400 is a wasteful number, since it uses less digits than its factorization.

304312115400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507186878 (or 507186869 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 304312115400 its reverse (4511213403), we get a palindrome (308823328803).

The spelling of 304312115400 in words is "three hundred four billion, three hundred twelve million, one hundred fifteen thousand, four hundred".