4240261237 has 4 divisors (see below), whose sum is σ = 4320266220. Its totient is φ = 4160256256.

The previous prime is 4240261229. The next prime is 4240261243. The reversal of 4240261237 is 7321620424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3766154161 + 474107076 = 61369^2 + 21774^2 .

It is a cyclic number.

It is not a de Polignac number, because 4240261237 - 2³ = 4240261229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4240261199 and 4240261208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240268237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40002412 + ... + 40002517.

It is an arithmetic number, because the mean of its divisors is an integer number (1080066555).

Almost surely, 2^4240261237 is an apocalyptic number.

It is an amenable number.

4240261237 is a deficient number, since it is larger than the sum of its proper divisors (80004983).

4240261237 is an equidigital number, since it uses as much as digits as its factorization.

4240261237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80004982.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 4240261237 is about 65117.2883111697. The cubic root of 4240261237 is about 1618.5677068822.

The spelling of 4240261237 in words is "four billion, two hundred forty million, two hundred sixty-one thousand, two hundred thirty-seven".