6340402344192 has 432 divisors, whose sum is σ = 21226788253440. Its totient is φ = 1668698013696.

The previous prime is 6340402344169. The next prime is 6340402344223. The reversal of 6340402344192 is 2914432040436.

It is a happy number.

It is a super-2 number, since 2×6340402344192² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29962534 + ... + 30173402.

It is an arithmetic number, because the mean of its divisors is an integer number (49136083920).

Almost surely, 2^{6340402344192} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6340402344192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10613394126720).

6340402344192 is an abundant number, since it is smaller than the sum of its proper divisors (14886385909248).

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

6340402344192 is a wasteful number, since it uses less digits than its factorization.

6340402344192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210966 (or 210945 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 6340402344192 in words is "six trillion, three hundred forty billion, four hundred two million, three hundred forty-four thousand, one hundred ninety-two".