6402213633450 has 192 divisors, whose sum is σ = 16905515692032. Its totient is φ = 1601275603200.

The previous prime is 6402213633427. The next prime is 6402213633461. The reversal of 6402213633450 is 543363122046.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6402213633399 and 6402213633408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15867715 + ... + 16266185.

It is an arithmetic number, because the mean of its divisors is an integer number (88049560896).

Almost surely, 2^{6402213633450} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6402213633450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8452757846016).

6402213633450 is an abundant number, since it is smaller than the sum of its proper divisors (10503302058582).

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

6402213633450 is a wasteful number, since it uses less digits than its factorization.

6402213633450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398629 (or 398624 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 6402213633450 its reverse (543363122046), we get a palindrome (6945576755496).

The spelling of 6402213633450 in words is "six trillion, four hundred two billion, two hundred thirteen million, six hundred thirty-three thousand, four hundred fifty".