4240343731 has 8 divisors (see below), whose sum is σ = 4570256880. Its totient is φ = 3910963872.

The previous prime is 4240343707. The next prime is 4240343741. The reversal of 4240343731 is 1373430424.

It is a happy number.

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 4240343731 - 2⁷ = 4240343603 is a prime.

It is a super-2 number, since 2×4240343731² = 35961029914062000722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4240343693 and 4240343702.

It is not an unprimeable number, because it can be changed into a prime (4240343741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116725 + ... + 148678.

It is an arithmetic number, because the mean of its divisors is an integer number (571282110).

Almost surely, 2^4240343731 is an apocalyptic number.

4240343731 is a deficient number, since it is larger than the sum of its proper divisors (329913149).

4240343731 is a wasteful number, since it uses less digits than its factorization.

4240343731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266645.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 4240343731 is about 65117.9217343428. The cubic root of 4240343731 is about 1618.5782031898.

The spelling of 4240343731 in words is "four billion, two hundred forty million, three hundred forty-three thousand, seven hundred thirty-one".