202602642540 has 48 divisors (see below), whose sum is σ = 568280993280. Its totient is φ = 53932743360.

The previous prime is 202602642533. The next prime is 202602642553. The reversal of 202602642540 is 45246206202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2922580 + ... + 2991099.

It is an arithmetic number, because the mean of its divisors is an integer number (11839187360).

Almost surely, 2^202602642540 is an apocalyptic number.

202602642540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202602642540 is an abundant number, since it is smaller than the sum of its proper divisors (365678350740).

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

202602642540 is a wasteful number, since it uses less digits than its factorization.

202602642540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914262 (or 5914260 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 202602642540 its reverse (45246206202), we get a palindrome (247848848742).

The spelling of 202602642540 in words is "two hundred two billion, six hundred two million, six hundred forty-two thousand, five hundred forty".