340106386812 has 48 divisors (see below), whose sum is σ = 835602566400. Its totient is φ = 107369418240.

The previous prime is 340106386787. The next prime is 340106386817. The reversal of 340106386812 is 218683601043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340106386817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532012 + ... + 981452.

It is an arithmetic number, because the mean of its divisors is an integer number (17408386800).

Almost surely, 2^340106386812 is an apocalyptic number.

It is an amenable number.

340106386812 is an abundant number, since it is smaller than the sum of its proper divisors (495496179588).

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

340106386812 is a wasteful number, since it uses less digits than its factorization.

340106386812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452786 (or 452784 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

Adding to 340106386812 its reverse (218683601043), we get a palindrome (558789987855).

The spelling of 340106386812 in words is "three hundred forty billion, one hundred six million, three hundred eighty-six thousand, eight hundred twelve".