1825563600 has 540 divisors, whose sum is σ = 7519786560. Its totient is φ = 408844800.

The previous prime is 1825563599. The next prime is 1825563637. The reversal of 1825563600 is 63655281.

1825563600 is a `hidden beast` number, since 18 + 2 + 5 + 5 + 636 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 13935535 + ... + 13935665.

Almost surely, 2^1825563600 is an apocalyptic number.

1825563600 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 1825563600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3759893280).

1825563600 is an abundant number, since it is smaller than the sum of its proper divisors (5694222960).

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

1825563600 is a wasteful number, since it uses less digits than its factorization.

1825563600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1825563600 is about 42726.6146564410. The cubic root of 1825563600 is about 1222.1719796916.

The spelling of 1825563600 in words is "one billion, eight hundred twenty-five million, five hundred sixty-three thousand, six hundred".