6340174243644 has 12 divisors (see below), whose sum is σ = 14793739901864. Its totient is φ = 2113391414544.

The previous prime is 6340174243589. The next prime is 6340174243681. The reversal of 6340174243644 is 4463424710436.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 6340174243593 and 6340174243602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264173926807 + ... + 264173926830.

Almost surely, 2^{6340174243644} is an apocalyptic number.

It is an amenable number.

6340174243644 is an abundant number, since it is smaller than the sum of its proper divisors (8453565658220).

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

6340174243644 is a wasteful number, since it uses less digits than its factorization.

6340174243644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528347853644 (or 528347853642 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 48.

The spelling of 6340174243644 in words is "six trillion, three hundred forty billion, one hundred seventy-four million, two hundred forty-three thousand, six hundred forty-four".