340395933429 has 6 divisors (see below), whose sum is σ = 491683014966. Its totient is φ = 226930622280.

The previous prime is 340395933421. The next prime is 340395933469. The reversal of 340395933429 is 924339593043.

340395933429 is a `hidden beast` number, since 3 + 4 + 0 + 3 + 9 + 593 + 3 + 42 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 323960180625 + 16435752804 = 569175^2 + 128202^2 .

It is not a de Polignac number, because 340395933429 - 2³ = 340395933421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340395933421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18910885182 + ... + 18910885199.

It is an arithmetic number, because the mean of its divisors is an integer number (81947169161).

Almost surely, 2^340395933429 is an apocalyptic number.

It is an amenable number.

340395933429 is a deficient number, since it is larger than the sum of its proper divisors (151287081537).

340395933429 is a wasteful number, since it uses less digits than its factorization.

340395933429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37821770387 (or 37821770384 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 54.

The spelling of 340395933429 in words is "three hundred forty billion, three hundred ninety-five million, nine hundred thirty-three thousand, four hundred twenty-nine".