340128642215 has 8 divisors (see below), whose sum is σ = 429636179760. Its totient is φ = 257781707712.

The previous prime is 340128642157. The next prime is 340128642257. The reversal of 340128642215 is 512246821043.

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

It is a cyclic number.

It is not a de Polignac number, because 340128642215 - 2⁸ = 340128641959 is a prime.

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, 1790150654 + ... + 1790150843.

It is an arithmetic number, because the mean of its divisors is an integer number (53704522470).

Almost surely, 2^340128642215 is an apocalyptic number.

340128642215 is a deficient number, since it is larger than the sum of its proper divisors (89507537545).

340128642215 is a wasteful number, since it uses less digits than its factorization.

340128642215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580301521.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 340128642215 in words is "three hundred forty billion, one hundred twenty-eight million, six hundred forty-two thousand, two hundred fifteen".