4040444731 has 8 divisors (see below), whose sum is σ = 4092669504. Its totient is φ = 3988304520.

The previous prime is 4040444701. The next prime is 4040444747. The reversal of 4040444731 is 1374440404.

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 4040444731 - 2¹³ = 4040436539 is a prime.

It is a super-2 number, since 2×4040444731² = 32650387248531324722, 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 = 4040444693 and 4040444702.

It is not an unprimeable number, because it can be changed into a prime (4040444701) 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, 78016 + ... + 119026.

It is an arithmetic number, because the mean of its divisors is an integer number (511583688).

Almost surely, 2^4040444731 is an apocalyptic number.

4040444731 is a deficient number, since it is larger than the sum of its proper divisors (52224773).

4040444731 is a wasteful number, since it uses less digits than its factorization.

4040444731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42281.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 4040444731 is about 63564.4926904951. The cubic root of 4040444731 is about 1592.7332877876.

The spelling of 4040444731 in words is "four billion, forty million, four hundred forty-four thousand, seven hundred thirty-one".