340206860238 has 16 divisors (see below), whose sum is σ = 777615680640. Its totient is φ = 97201960056.

The previous prime is 340206860207. The next prime is 340206860263. The reversal of 340206860238 is 832068602043.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 8100163339 = 340206860238 / (3 + 4 + 0 + 2 + 0 + 6 + 8 + 6 + 0 + 2 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 340206860238.

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, 4050081628 + ... + 4050081711.

It is an arithmetic number, because the mean of its divisors is an integer number (48600980040).

Almost surely, 2^340206860238 is an apocalyptic number.

340206860238 is an abundant number, since it is smaller than the sum of its proper divisors (437408820402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340206860238 is a wasteful number, since it uses less digits than its factorization.

340206860238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100163351.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 340206860238 in words is "three hundred forty billion, two hundred six million, eight hundred sixty thousand, two hundred thirty-eight".