340359060409 has 3 divisors (see below), whose sum is σ = 340359643813. Its totient is φ = 340358477006.

The previous prime is 340359060407. The next prime is 340359060413. The reversal of 340359060409 is 904060953043.

The square root of 340359060409 is 583403.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 340359060409 - 2¹ = 340359060407 is a prime.

It is a super-2 number, since 2×340359060409² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340359060403) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 291702 + ... + 875104.

Almost surely, 2^340359060409 is an apocalyptic number.

340359060409 is the 583403-rd square number.

340359060409 is the 291702-nd centered octagonal number.

It is an amenable number.

340359060409 is a deficient number, since it is larger than the sum of its proper divisors (583404).

340359060409 is an frugal number, since it uses more digits than its factorization.

340359060409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166806 (or 583403 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 340359060409 in words is "three hundred forty billion, three hundred fifty-nine million, sixty thousand, four hundred nine".