2102402250 has 384 divisors, whose sum is σ = 6714489600. Its totient is φ = 485222400.

The previous prime is 2102402243. The next prime is 2102402279. The reversal of 2102402250 is 522042012.

2102402250 is a `hidden beast` number, since 2 + 10 + 2 + 402 + 250 = 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 polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 21674202 + ... + 21674298.

It is an arithmetic number, because the mean of its divisors is an integer number (17485650).

Almost surely, 2^2102402250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102402250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3357244800).

2102402250 is an abundant number, since it is smaller than the sum of its proper divisors (4612087350).

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

2102402250 is a wasteful number, since it uses less digits than its factorization.

2102402250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 139 counting only the distinct ones).

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

The square root of 2102402250 is about 45851.9601543925. The cubic root of 2102402250 is about 1281.0672759450.

Adding to 2102402250 its reverse (522042012), we get a palindrome (2624444262).

The spelling of 2102402250 in words is "two billion, one hundred two million, four hundred two thousand, two hundred fifty".