340261532329 has 4 divisors (see below), whose sum is σ = 340318696276. Its totient is φ = 340204368384.

The previous prime is 340261532321. The next prime is 340261532393. The reversal of 340261532329 is 923235162043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 138815856400 + 201445675929 = 372580^2 + 448827^2 .

It is a cyclic number.

It is not a de Polignac number, because 340261532329 - 2³ = 340261532321 is a prime.

It is a super-2 number, since 2×340261532329² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340261532291 and 340261532300.

It is not an unprimeable number, because it can be changed into a prime (340261532321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28573044 + ... + 28584949.

It is an arithmetic number, because the mean of its divisors is an integer number (85079674069).

Almost surely, 2^340261532329 is an apocalyptic number.

It is an amenable number.

340261532329 is a deficient number, since it is larger than the sum of its proper divisors (57163947).

340261532329 is an equidigital number, since it uses as much as digits as its factorization.

340261532329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57163946.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 340261532329 in words is "three hundred forty billion, two hundred sixty-one million, five hundred thirty-two thousand, three hundred twenty-nine".