2001242250 has 192 divisors, whose sum is σ = 6288811776. Its totient is φ = 449712000.

The previous prime is 2001242233. The next prime is 2001242291. The reversal of 2001242250 is 522421002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 959709 + ... + 961791.

It is an arithmetic number, because the mean of its divisors is an integer number (32754228).

Almost surely, 2^2001242250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001242250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3144405888).

2001242250 is an abundant number, since it is smaller than the sum of its proper divisors (4287569526).

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

2001242250 is a wasteful number, since it uses less digits than its factorization.

2001242250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2001242250 is about 44735.2461712239. The cubic root of 2001242250 is about 1260.1818520594.

Adding to 2001242250 its reverse (522421002), we get a palindrome (2523663252).

The spelling of 2001242250 in words is "two billion, one million, two hundred forty-two thousand, two hundred fifty".