340370808847 has 4 divisors (see below), whose sum is σ = 352107733320. Its totient is φ = 328633884376.

The previous prime is 340370808793. The next prime is 340370808851. The reversal of 340370808847 is 748808073043.

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

It is a cyclic number.

It is not a de Polignac number, because 340370808847 - 2⁷ = 340370808719 is a prime.

It is a super-2 number, since 2×340370808847² (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 = 340370808794 and 340370808803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350370808847) 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, 5868462193 + ... + 5868462250.

It is an arithmetic number, because the mean of its divisors is an integer number (88026933330).

Almost surely, 2^340370808847 is an apocalyptic number.

340370808847 is a deficient number, since it is larger than the sum of its proper divisors (11736924473).

340370808847 is a wasteful number, since it uses less digits than its factorization.

340370808847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11736924472.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 340370808847 in words is "three hundred forty billion, three hundred seventy million, eight hundred eight thousand, eight hundred forty-seven".