340305316634 has 32 divisors (see below), whose sum is σ = 554486836176. Its totient is φ = 156006522880.

The previous prime is 340305316621. The next prime is 340305316649. The reversal of 340305316634 is 436613503043.

It can be written as a sum of positive squares in 8 ways, for example, as 181983294025 + 158322022609 = 426595^2 + 397897^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763442 + ... + 1124034.

Almost surely, 2^340305316634 is an apocalyptic number.

340305316634 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

340305316634 is a deficient number, since it is larger than the sum of its proper divisors (214181519542).

340305316634 is a wasteful number, since it uses less digits than its factorization.

340305316634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361330.

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 340305316634 its reverse (436613503043), we get a palindrome (776918819677).

The spelling of 340305316634 in words is "three hundred forty billion, three hundred five million, three hundred sixteen thousand, six hundred thirty-four".