3988272317850 has 240 divisors, whose sum is σ = 11469073354200. Its totient is φ = 1026376081920.

The previous prime is 3988272317767. The next prime is 3988272317867. The reversal of 3988272317850 is 587132728893.

3988272317850 is a `hidden beast` number, since 398 + 8 + 2 + 7 + 23 + 178 + 50 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 810534688209 + 3177737629641 = 900297^2 + 1782621^2 .

It is a super-2 number, since 2×3988272317850² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 290916796 + ... + 290930504.

Almost surely, 2^{3988272317850} is an apocalyptic number.

3988272317850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3988272317850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5734536677100).

3988272317850 is an abundant number, since it is smaller than the sum of its proper divisors (7480801036350).

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

3988272317850 is a wasteful number, since it uses less digits than its factorization.

3988272317850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16239 (or 16225 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 3988272317850 in words is "three trillion, nine hundred eighty-eight billion, two hundred seventy-two million, three hundred seventeen thousand, eight hundred fifty".