340243252 has 24 divisors (see below), whose sum is σ = 610232616. Its totient is φ = 165929088.

The previous prime is 340243243. The next prime is 340243273. The reversal of 340243252 is 252342043.

It can be written as a sum of positive squares in 4 ways, for example, as 215384976 + 124858276 = 14676^2 + 11174^2 .

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, 32038 + ... + 41314.

It is an arithmetic number, because the mean of its divisors is an integer number (25426359).

Almost surely, 2^340243252 is an apocalyptic number.

It is an amenable number.

340243252 is a deficient number, since it is larger than the sum of its proper divisors (269989364).

340243252 is a wasteful number, since it uses less digits than its factorization.

340243252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9507 (or 9505 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 340243252 is about 18445.6838311839. The cubic root of 340243252 is about 698.1196145339.

Adding to 340243252 its reverse (252342043), we get a palindrome (592585295).

The spelling of 340243252 in words is "three hundred forty million, two hundred forty-three thousand, two hundred fifty-two".