4181271552 has 132 divisors (see below), whose sum is σ = 12228286720. Its totient is φ = 1375875072.

The previous prime is 4181271551. The next prime is 4181271557. The reversal of 4181271552 is 2551721814.

It is a happy number.

4181271552 is a `hidden beast` number, since 4 + 1 + 81 + 27 + 1 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4181271551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725193 + ... + 730935.

Almost surely, 2^4181271552 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 4181271552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6114143360).

4181271552 is an abundant number, since it is smaller than the sum of its proper divisors (8047015168).

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

4181271552 is a wasteful number, since it uses less digits than its factorization.

4181271552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5848 (or 5827 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 4181271552 is about 64662.7524313650. The cubic root of 4181271552 is about 1611.0268968018.

The spelling of 4181271552 in words is "four billion, one hundred eighty-one million, two hundred seventy-one thousand, five hundred fifty-two".