340323674640 has 80 divisors (see below), whose sum is σ = 1062593448000. Its totient is φ = 90100071936.

The previous prime is 340323674599. The next prime is 340323674653. The reversal of 340323674640 is 46476323043.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 340323674592 and 340323674601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5067415 + ... + 5134134.

It is an arithmetic number, because the mean of its divisors is an integer number (13282418100).

Almost surely, 2^340323674640 is an apocalyptic number.

340323674640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340323674640 is an abundant number, since it is smaller than the sum of its proper divisors (722269773360).

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

340323674640 is a wasteful number, since it uses less digits than its factorization.

340323674640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201704 (or 10201698 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 42.

Adding to 340323674640 its reverse (46476323043), we get a palindrome (386799997683).

The spelling of 340323674640 in words is "three hundred forty billion, three hundred twenty-three million, six hundred seventy-four thousand, six hundred forty".