2143104318400 has 168 divisors, whose sum is σ = 5295390984000. Its totient is φ = 853670522880.

The previous prime is 2143104318379. The next prime is 2143104318401. The reversal of 2143104318400 is 48134013412.

It is a super-2 number, since 2×2143104318400² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143104318401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 447503206 + ... + 447507994.

Almost surely, 2^{2143104318400} is an apocalyptic number.

2143104318400 is a gapful number since it is divisible by the number (20) 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 2143104318400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2647695492000).

2143104318400 is an abundant number, since it is smaller than the sum of its proper divisors (3152286665600).

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

2143104318400 is a wasteful number, since it uses less digits than its factorization.

2143104318400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919 (or 5904 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 2143104318400 in words is "two trillion, one hundred forty-three billion, one hundred four million, three hundred eighteen thousand, four hundred".