2104252400 has 60 divisors (see below), whose sum is σ = 5083882200. Its totient is φ = 836970240.

The previous prime is 2104252391. The next prime is 2104252421. The reversal of 2104252400 is 42524012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 56906 + ... + 86294.

It is an arithmetic number, because the mean of its divisors is an integer number (84731370).

Almost surely, 2^2104252400 is an apocalyptic number.

2104252400 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 2104252400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2541941100).

2104252400 is an abundant number, since it is smaller than the sum of its proper divisors (2979629800).

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

2104252400 is a wasteful number, since it uses less digits than its factorization.

2104252400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29586 (or 29575 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2104252400 is about 45872.1309729557. The cubic root of 2104252400 is about 1281.4429528162.

Adding to 2104252400 its reverse (42524012), we get a palindrome (2146776412).

The spelling of 2104252400 in words is "two billion, one hundred four million, two hundred fifty-two thousand, four hundred".