340512404 has 24 divisors (see below), whose sum is σ = 603738408. Its totient is φ = 168030720.

The previous prime is 340512377. The next prime is 340512451. The reversal of 340512404 is 404215043.

It can be written as a sum of positive squares in 4 ways, for example, as 36100 + 340476304 = 190^2 + 18452^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 340512404.

It is a congruent number.

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, 97472 + ... + 100904.

It is an arithmetic number, because the mean of its divisors is an integer number (25155767).

Almost surely, 2^340512404 is an apocalyptic number.

It is an amenable number.

340512404 is a deficient number, since it is larger than the sum of its proper divisors (263226004).

340512404 is a wasteful number, since it uses less digits than its factorization.

340512404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755 (or 3753 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 340512404 is about 18452.9781878156. The cubic root of 340512404 is about 698.3036502833.

Adding to 340512404 its reverse (404215043), we get a palindrome (744727447).

The spelling of 340512404 in words is "three hundred forty million, five hundred twelve thousand, four hundred four".