61303040202 has 64 divisors (see below), whose sum is σ = 134162023680. Its totient is φ = 18613292544.

The previous prime is 61303040189. The next prime is 61303040243. The reversal of 61303040202 is 20204030316.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 187228 + ... + 397064.

It is an arithmetic number, because the mean of its divisors is an integer number (2096281620).

Almost surely, 2^61303040202 is an apocalyptic number.

61303040202 is an abundant number, since it is smaller than the sum of its proper divisors (72858983478).

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

61303040202 is a wasteful number, since it uses less digits than its factorization.

61303040202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209967.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 61303040202 its reverse (20204030316), we get a palindrome (81507070518).

The spelling of 61303040202 in words is "sixty-one billion, three hundred three million, forty thousand, two hundred two".