201004650 has 144 divisors (see below), whose sum is σ = 673403328. Its totient is φ = 41760000.

The previous prime is 201004637. The next prime is 201004679. The reversal of 201004650 is 56400102.

It is a happy number.

201004650 is a `hidden beast` number, since 2 + 0 + 10 + 0 + 4 + 650 = 666.

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 (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31750 + ... + 37550.

It is an arithmetic number, because the mean of its divisors is an integer number (4676412).

Almost surely, 2^201004650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201004650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336701664).

201004650 is an abundant number, since it is smaller than the sum of its proper divisors (472398678).

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

201004650 is a wasteful number, since it uses less digits than its factorization.

201004650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5837 (or 5829 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 201004650 is about 14177.6108706651. The cubic root of 201004650 is about 585.7811174130.

Adding to 201004650 its reverse (56400102), we get a palindrome (257404752).

The spelling of 201004650 in words is "two hundred one million, four thousand, six hundred fifty".