340269249321 has 12 divisors (see below), whose sum is σ = 517368449520. Its totient is φ = 214906894200.

The previous prime is 340269249317. The next prime is 340269249323. The reversal of 340269249321 is 123942962043.

340269249321 is a `hidden beast` number, since 3 + 40 + 269 + 24 + 9 + 321 = 666.

It is not a de Polignac number, because 340269249321 - 2² = 340269249317 is a prime.

It is a super-2 number, since 2×340269249321² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340269249323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 994939155 + ... + 994939496.

It is an arithmetic number, because the mean of its divisors is an integer number (43114037460).

Almost surely, 2^340269249321 is an apocalyptic number.

It is an amenable number.

340269249321 is a deficient number, since it is larger than the sum of its proper divisors (177099200199).

340269249321 is a wasteful number, since it uses less digits than its factorization.

340269249321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989878676 (or 1989878673 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 340269249321 in words is "three hundred forty billion, two hundred sixty-nine million, two hundred forty-nine thousand, three hundred twenty-one".