4271891272 has 16 divisors (see below), whose sum is σ = 8737959600. Its totient is φ = 1941768720.

The previous prime is 4271891251. The next prime is 4271891329. The reversal of 4271891272 is 2721981724.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24272022 + ... + 24272197.

It is an arithmetic number, because the mean of its divisors is an integer number (546122475).

Almost surely, 2^4271891272 is an apocalyptic number.

It is an amenable number.

4271891272 is an abundant number, since it is smaller than the sum of its proper divisors (4466068328).

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

4271891272 is a wasteful number, since it uses less digits than its factorization.

4271891272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48544236 (or 48544232 counting only the distinct ones).

The product of its digits is 112896, while the sum is 43.

The square root of 4271891272 is about 65359.7067924880. The cubic root of 4271891272 is about 1622.5822851376.

The spelling of 4271891272 in words is "four billion, two hundred seventy-one million, eight hundred ninety-one thousand, two hundred seventy-two".