340805828005 has 8 divisors (see below), whose sum is σ = 408970696824. Its totient is φ = 272642193600.

The previous prime is 340805827993. The next prime is 340805828023. The reversal of 340805828005 is 500828508043.

It can be written as a sum of positive squares in 4 ways, for example, as 36099620001 + 304706208004 = 189999^2 + 552002^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340805828005 - 2³⁷ = 203366874533 is a prime.

It is a super-2 number, since 2×340805828005² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483735 + ... + 956875.

It is an arithmetic number, because the mean of its divisors is an integer number (51121337103).

Almost surely, 2^340805828005 is an apocalyptic number.

It is an amenable number.

340805828005 is a deficient number, since it is larger than the sum of its proper divisors (68164868819).

340805828005 is a wasteful number, since it uses less digits than its factorization.

340805828005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617207.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 340805828005 in words is "three hundred forty billion, eight hundred five million, eight hundred twenty-eight thousand, five".