16402243000 has 256 divisors, whose sum is σ = 47061181440. Its totient is φ = 5265216000.

The previous prime is 16402242929. The next prime is 16402243001. The reversal of 16402243000 is 34220461.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16402243001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3286507 + ... + 3291493.

It is an arithmetic number, because the mean of its divisors is an integer number (183832740).

Almost surely, 2^16402243000 is an apocalyptic number.

16402243000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16402243000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23530590720).

16402243000 is an abundant number, since it is smaller than the sum of its proper divisors (30658938440).

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

16402243000 is a wasteful number, since it uses less digits than its factorization.

16402243000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055 (or 5041 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 16402243000 its reverse (34220461), we get a palindrome (16436463461).

The spelling of 16402243000 in words is "sixteen billion, four hundred two million, two hundred forty-three thousand".