8144398502 has 8 divisors (see below), whose sum is σ = 12217111200. Its totient is φ = 4072028104.

The previous prime is 8144398447. The next prime is 8144398517. The reversal of 8144398502 is 2058934418.

It is a happy number.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 14177 + ... + 128412.

It is an arithmetic number, because the mean of its divisors is an integer number (1527138900).

Almost surely, 2^8144398502 is an apocalyptic number.

8144398502 is a deficient number, since it is larger than the sum of its proper divisors (4072712698).

8144398502 is a wasteful number, since it uses less digits than its factorization.

8144398502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171150.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 8144398502 is about 90246.3212657447. The cubic root of 8144398502 is about 2011.9615268187.

The spelling of 8144398502 in words is "eight billion, one hundred forty-four million, three hundred ninety-eight thousand, five hundred two".