3849940518336 has 280 divisors, whose sum is σ = 12455425082496. Its totient is φ = 1166133127680.

The previous prime is 3849940518293. The next prime is 3849940518349. The reversal of 3849940518336 is 6338150499483.

3849940518336 is a `hidden beast` number, since 3 + 8 + 49 + 9 + 40 + 518 + 3 + 36 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 140664525 + ... + 140691891.

Almost surely, 2^{3849940518336} is an apocalyptic number.

3849940518336 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3849940518336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6227712541248).

3849940518336 is an abundant number, since it is smaller than the sum of its proper divisors (8605484564160).

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

3849940518336 is a wasteful number, since it uses less digits than its factorization.

3849940518336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29869 (or 29850 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 3849940518336 in words is "three trillion, eight hundred forty-nine billion, nine hundred forty million, five hundred eighteen thousand, three hundred thirty-six".