3871453550472 has 128 divisors (see below), whose sum is σ = 10872161395200. Its totient is φ = 1276337088000.

The previous prime is 3871453550449. The next prime is 3871453550479. The reversal of 3871453550472 is 2740553541783.

3871453550472 is a `hidden beast` number, since 3 + 8 + 7 + 1 + 45 + 3 + 550 + 47 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3871453550479) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 20346897 + ... + 20536287.

It is an arithmetic number, because the mean of its divisors is an integer number (84938760900).

Almost surely, 2^{3871453550472} 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 3871453550472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5436080697600).

3871453550472 is an abundant number, since it is smaller than the sum of its proper divisors (7000707844728).

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

3871453550472 is a wasteful number, since it uses less digits than its factorization.

3871453550472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190444 (or 190434 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 3871453550472 in words is "three trillion, eight hundred seventy-one billion, four hundred fifty-three million, five hundred fifty thousand, four hundred seventy-two".