2125433800 has 96 divisors (see below), whose sum is σ = 5763024000. Its totient is φ = 728696640.

The previous prime is 2125433767. The next prime is 2125433801. The reversal of 2125433800 is 83345212.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2125433801) 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 23 ways as a sum of consecutive naturals, for example, 53109 + ... + 84091.

It is an arithmetic number, because the mean of its divisors is an integer number (60031500).

Almost surely, 2^2125433800 is an apocalyptic number.

2125433800 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 2125433800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2881512000).

2125433800 is an abundant number, since it is smaller than the sum of its proper divisors (3637590200).

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

2125433800 is a wasteful number, since it uses less digits than its factorization.

2125433800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31020 (or 30997 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2125433800 is about 46102.4272679867. The cubic root of 2125433800 is about 1285.7282734516.

The spelling of 2125433800 in words is "two billion, one hundred twenty-five million, four hundred thirty-three thousand, eight hundred".