8338257638140 has 48 divisors (see below), whose sum is σ = 18540760436352. Its totient is φ = 3139041145856.

The previous prime is 8338257638129. The next prime is 8338257638159. The reversal of 8338257638140 is 418367528338.

It is a congruent number.

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, 17250189 + ... + 17726971.

It is an arithmetic number, because the mean of its divisors is an integer number (386265842424).

Almost surely, 2^{8338257638140} is an apocalyptic number.

It is an amenable number.

8338257638140 is an abundant number, since it is smaller than the sum of its proper divisors (10202502798212).

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

8338257638140 is a wasteful number, since it uses less digits than its factorization.

8338257638140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528246 (or 528244 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 8338257638140 in words is "eight trillion, three hundred thirty-eight billion, two hundred fifty-seven million, six hundred thirty-eight thousand, one hundred forty".