202868284240 has 40 divisors (see below), whose sum is σ = 471819701160. Its totient is φ = 81121345536.

The previous prime is 202868284181. The next prime is 202868284327. The reversal of 202868284240 is 42482868202.

It can be written as a sum of positive squares in 4 ways, for example, as 29059339024 + 173808945216 = 170468^2 + 416904^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 153225 + ... + 655144.

It is an arithmetic number, because the mean of its divisors is an integer number (11795492529).

Almost surely, 2^202868284240 is an apocalyptic number.

202868284240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202868284240 is an abundant number, since it is smaller than the sum of its proper divisors (268951416920).

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

202868284240 is a wasteful number, since it uses less digits than its factorization.

202868284240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811519 (or 811513 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 46.

The spelling of 202868284240 in words is "two hundred two billion, eight hundred sixty-eight million, two hundred eighty-four thousand, two hundred forty".