3995171527680 has 440 divisors, whose sum is σ = 14649441670512. Its totient is φ = 1040598171648.

The previous prime is 3995171527609. The next prime is 3995171527793. The reversal of 3995171527680 is 867251715993.

3995171527680 is a `hidden beast` number, since 3 + 9 + 9 + 517 + 1 + 52 + 7 + 68 + 0 = 666.

It is a super-2 number, since 2×3995171527680² (a number of 26 digits) contains 22 as substring.

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 39 ways as a sum of consecutive naturals, for example, 17720944 + ... + 17944976.

Almost surely, 2^{3995171527680} is an apocalyptic number.

3995171527680 is a gapful number since it is divisible by the number (30) 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 3995171527680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7324720835256).

3995171527680 is an abundant number, since it is smaller than the sum of its proper divisors (10654270142832).

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

3995171527680 is a wasteful number, since it uses less digits than its factorization.

3995171527680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224113 (or 224086 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 63.

The spelling of 3995171527680 in words is "three trillion, nine hundred ninety-five billion, one hundred seventy-one million, five hundred twenty-seven thousand, six hundred eighty".