2100234400 has 288 divisors, whose sum is σ = 6023989440. Its totient is φ = 706560000.

The previous prime is 2100234343. The next prime is 2100234419. The reversal of 2100234400 is 44320012.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 15109531 + ... + 15109669.

It is an arithmetic number, because the mean of its divisors is an integer number (20916630).

Almost surely, 2^2100234400 is an apocalyptic number.

2100234400 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 2100234400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3011994720).

2100234400 is an abundant number, since it is smaller than the sum of its proper divisors (3923755040).

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

2100234400 is a wasteful number, since it uses less digits than its factorization.

2100234400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2100234400 is about 45828.3143918691. The cubic root of 2100234400 is about 1280.6268088905.

Adding to 2100234400 its reverse (44320012), we get a palindrome (2144554412).

The spelling of 2100234400 in words is "two billion, one hundred million, two hundred thirty-four thousand, four hundred".