39988245002 has 8 divisors (see below), whose sum is σ = 63510742116. Its totient is φ = 18817997632.

The previous prime is 39988244969. The next prime is 39988245007. The reversal of 39988245002 is 20054288993.

It can be written as a sum of positive squares in 2 ways, for example, as 37686068641 + 2302176361 = 194129^2 + 47981^2 .

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 (39988245007) 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, 588062393 + ... + 588062460.

Almost surely, 2^39988245002 is an apocalyptic number.

39988245002 is a deficient number, since it is larger than the sum of its proper divisors (23522497114).

39988245002 is a wasteful number, since it uses less digits than its factorization.

39988245002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176124872.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 39988245002 in words is "thirty-nine billion, nine hundred eighty-eight million, two hundred forty-five thousand, two".