340512330 has 32 divisors (see below), whose sum is σ = 817761600. Its totient is φ = 90744192.

The previous prime is 340512323. The next prime is 340512343. The reversal of 340512330 is 33215043.

It is a junction number, because it is equal to n+sod(n) for n = 340512297 and 340512306.

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, 62766 + ... + 67974.

It is an arithmetic number, because the mean of its divisors is an integer number (25555050).

Almost surely, 2^340512330 is an apocalyptic number.

340512330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

340512330 is an abundant number, since it is smaller than the sum of its proper divisors (477249270).

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

340512330 is a wasteful number, since it uses less digits than its factorization.

340512330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7398.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 340512330 is about 18452.9761827191. The cubic root of 340512330 is about 698.3035996983.

Adding to 340512330 its reverse (33215043), we get a palindrome (373727373).

The spelling of 340512330 in words is "three hundred forty million, five hundred twelve thousand, three hundred thirty".