39740821202 has 8 divisors (see below), whose sum is σ = 61065164412. Its totient is φ = 19385766400.

The previous prime is 39740821187. The next prime is 39740821207. The reversal of 39740821202 is 20212804793.

It is a Cunningham number, because it is equal to 199351²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 39740821201 + 1 = 199351^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (39740821207) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 242321999 + ... + 242322162.

Almost surely, 2^39740821202 is an apocalyptic number.

39740821202 is a deficient number, since it is larger than the sum of its proper divisors (21324343210).

39740821202 is a wasteful number, since it uses less digits than its factorization.

39740821202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484644204.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 39740821202 in words is "thirty-nine billion, seven hundred forty million, eight hundred twenty-one thousand, two hundred two".