340898338225 has 27 divisors (see below), whose sum is σ = 449107525027. Its totient is φ = 256639028480.

The previous prime is 340898338111. The next prime is 340898338247. The reversal of 340898338225 is 522833898043.

The square root of 340898338225 is 583865.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 316105946289 + 24792391936 = 562233^2 + 157456^2 .

It is not a de Polignac number, because 340898338225 - 2⁷ = 340898338097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 49625091 + ... + 49631959.

Almost surely, 2^340898338225 is an apocalyptic number.

340898338225 is the 583865-th square number.

340898338225 is the 291933-rd centered octagonal number.

It is an amenable number.

340898338225 is a deficient number, since it is larger than the sum of its proper divisors (108209186802).

340898338225 is an frugal number, since it uses more digits than its factorization.

340898338225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782 (or 6891 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 340898338225 in words is "three hundred forty billion, eight hundred ninety-eight million, three hundred thirty-eight thousand, two hundred twenty-five".