202040256 has 112 divisors (see below), whose sum is σ = 586971648. Its totient is φ = 60825600.

The previous prime is 202040231. The next prime is 202040287. The reversal of 202040256 is 652040202.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 572176 + ... + 572528.

Almost surely, 2^202040256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202040256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293485824).

202040256 is an abundant number, since it is smaller than the sum of its proper divisors (384931392).

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

202040256 is a wasteful number, since it uses less digits than its factorization.

202040256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 202040256 is about 14214.0865341393. The cubic root of 202040256 is about 586.7854052592.

Adding to 202040256 its reverse (652040202), we get a palindrome (854080458).

The spelling of 202040256 in words is "two hundred two million, forty thousand, two hundred fifty-six".