340931035449 has 15 divisors (see below), whose sum is σ = 509299890847. Its totient is φ = 227283853608.

The previous prime is 340931035441. The next prime is 340931035483. The reversal of 340931035449 is 944530139043.

It is a happy number.

The square root of 340931035449 is 583893.

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

340931035449 is a `hidden beast` number, since 3 + 4 + 0 + 93 + 10 + 3 + 544 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 333384986025 + 7546049424 = 577395^2 + 86868^2 .

It is not a de Polignac number, because 340931035449 - 2³ = 340931035441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340931035441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5222599 + ... + 5287475.

Almost surely, 2^340931035449 is an apocalyptic number.

340931035449 is the 583893-rd square number.

340931035449 is the 291947-th centered octagonal number.

It is an amenable number.

340931035449 is a deficient number, since it is larger than the sum of its proper divisors (168368855398).

340931035449 is an frugal number, since it uses more digits than its factorization.

340931035449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129766 (or 64880 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 340931035449 in words is "three hundred forty billion, nine hundred thirty-one million, thirty-five thousand, four hundred forty-nine".