1825228800 has 432 divisors, whose sum is σ = 6951000420. Its totient is φ = 456130560.

The previous prime is 1825228793. The next prime is 1825228813. The reversal of 1825228800 is 88225281.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 637461504 + 1187767296 = 25248^2 + 34464^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7833484 + ... + 7833716.

Almost surely, 2^1825228800 is an apocalyptic number.

1825228800 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 1825228800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3475500210).

1825228800 is an abundant number, since it is smaller than the sum of its proper divisors (5125771620).

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

1825228800 is a wasteful number, since it uses less digits than its factorization.

1825228800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 1825228800 is about 42722.6965441087. The cubic root of 1825228800 is about 1222.0972615433.

The spelling of 1825228800 in words is "one billion, eight hundred twenty-five million, two hundred twenty-eight thousand, eight hundred".