340505512 has 16 divisors (see below), whose sum is σ = 676003860. Its totient is φ = 160237824.

The previous prime is 340505497. The next prime is 340505513. The reversal of 340505512 is 215505043.

It can be written as a sum of positive squares in 2 ways, for example, as 339517476 + 988036 = 18426^2 + 994^2 .

It is not an unprimeable number, because it can be changed into a prime (340505513) 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, 1251723 + ... + 1251994.

Almost surely, 2^340505512 is an apocalyptic number.

It is an amenable number.

340505512 is a deficient number, since it is larger than the sum of its proper divisors (335498348).

340505512 is a wasteful number, since it uses less digits than its factorization.

340505512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503740 (or 2503736 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 340505512 is about 18452.7914419472. The cubic root of 340505512 is about 698.2989390098.

The spelling of 340505512 in words is "three hundred forty million, five hundred five thousand, five hundred twelve".