202040444256 has 48 divisors (see below), whose sum is σ = 606121334784. Its totient is φ = 57725841024.

The previous prime is 202040444219. The next prime is 202040444371. The reversal of 202040444256 is 652444040202.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×202040444256² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150327040 + ... + 150328383.

It is an arithmetic number, because the mean of its divisors is an integer number (12627527808).

Almost surely, 2^202040444256 is an apocalyptic number.

It is an amenable number.

202040444256 is an abundant number, since it is smaller than the sum of its proper divisors (404080890528).

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

202040444256 is a wasteful number, since it uses less digits than its factorization.

202040444256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300655443 (or 300655435 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 202040444256 its reverse (652444040202), we get a palindrome (854484484458).

The spelling of 202040444256 in words is "two hundred two billion, forty million, four hundred forty-four thousand, two hundred fifty-six".