4071897015912 has 192 divisors, whose sum is σ = 12497543136000. Its totient is φ = 1186373260800.

The previous prime is 4071897015869. The next prime is 4071897015919. The reversal of 4071897015912 is 2195107981704.

4071897015912 is a `hidden beast` number, since 40 + 7 + 1 + 8 + 9 + 7 + 0 + 1 + 591 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (4071897015919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5118462 + ... + 5860242.

It is an arithmetic number, because the mean of its divisors is an integer number (65091370500).

Almost surely, 2^{4071897015912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4071897015912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6248771568000).

4071897015912 is an abundant number, since it is smaller than the sum of its proper divisors (8425646120088).

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

4071897015912 is a wasteful number, since it uses less digits than its factorization.

4071897015912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742072 (or 742065 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The spelling of 4071897015912 in words is "four trillion, seventy-one billion, eight hundred ninety-seven million, fifteen thousand, nine hundred twelve".