202640552452 has 24 divisors (see below), whose sum is σ = 390025028736. Its totient is φ = 91536484128.

The previous prime is 202640552431. The next prime is 202640552497. The reversal of 202640552452 is 254255046202.

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 7 ways as a sum of consecutive naturals, for example, 41454298 + ... + 41459185.

It is an arithmetic number, because the mean of its divisors is an integer number (16251042864).

Almost surely, 2^202640552452 is an apocalyptic number.

It is an amenable number.

202640552452 is a deficient number, since it is larger than the sum of its proper divisors (187384476284).

202640552452 is a wasteful number, since it uses less digits than its factorization.

202640552452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82913547 (or 82913545 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 202640552452 its reverse (254255046202), we get a palindrome (456895598654).

The spelling of 202640552452 in words is "two hundred two billion, six hundred forty million, five hundred fifty-two thousand, four hundred fifty-two".