340205438684 has 48 divisors (see below), whose sum is σ = 619987737600. Its totient is φ = 163210285056.

The previous prime is 340205438669. The next prime is 340205438689. The reversal of 340205438684 is 486834502043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340205438689) 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, 14591324 + ... + 14614620.

It is an arithmetic number, because the mean of its divisors is an integer number (12916411200).

Almost surely, 2^340205438684 is an apocalyptic number.

It is an amenable number.

340205438684 is a deficient number, since it is larger than the sum of its proper divisors (279782298916).

340205438684 is a wasteful number, since it uses less digits than its factorization.

340205438684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24842 (or 24840 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 47.

The spelling of 340205438684 in words is "three hundred forty billion, two hundred five million, four hundred thirty-eight thousand, six hundred eighty-four".