4005272481 has 8 divisors (see below), whose sum is σ = 6103272384. Its totient is φ = 2288727120.

The previous prime is 4005272473. The next prime is 4005272489. The reversal of 4005272481 is 1842725004.

It is an interprime number because it is at equal distance from previous prime (4005272473) and next prime (4005272489).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4005272481 - 2³ = 4005272473 is a prime.

It is a super-2 number, since 2×4005272481² = 32084415294111790722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4005272489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95363610 + ... + 95363651.

It is an arithmetic number, because the mean of its divisors is an integer number (762909048).

Almost surely, 2^4005272481 is an apocalyptic number.

It is an amenable number.

4005272481 is a deficient number, since it is larger than the sum of its proper divisors (2097999903).

4005272481 is a wasteful number, since it uses less digits than its factorization.

4005272481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190727271.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 4005272481 is about 63287.2220989356. Note that the first 3 decimals coincide. The cubic root of 4005272481 is about 1588.0982075700.

Adding to 4005272481 its reverse (1842725004), we get a palindrome (5847997485).

The spelling of 4005272481 in words is "four billion, five million, two hundred seventy-two thousand, four hundred eighty-one".