4240672481 has 8 divisors (see below), whose sum is σ = 4354632744. Its totient is φ = 4128145920.

The previous prime is 4240672477. The next prime is 4240672483. The reversal of 4240672481 is 1842760424.

It can be written as a sum of positive squares in 4 ways, for example, as 58081 + 4240614400 = 241^2 + 65120^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4240672481 - 2² = 4240672477 is a prime.

It is a super-2 number, since 2×4240672481² = 35966606182221390722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4240672483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352430 + ... + 364263.

It is an arithmetic number, because the mean of its divisors is an integer number (544329093).

Almost surely, 2^4240672481 is an apocalyptic number.

It is an amenable number.

4240672481 is a deficient number, since it is larger than the sum of its proper divisors (113960263).

4240672481 is an equidigital number, since it uses as much as digits as its factorization.

4240672481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716851.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 4240672481 is about 65120.4459520971. The cubic root of 4240672481 is about 1618.6200310751.

The spelling of 4240672481 in words is "four billion, two hundred forty million, six hundred seventy-two thousand, four hundred eighty-one".