4440402131 has 8 divisors (see below), whose sum is σ = 4962223728. Its totient is φ = 3938272000.

The previous prime is 4440402119. The next prime is 4440402133. The reversal of 4440402131 is 1312040444.

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 a de Polignac number, because none of the positive numbers 2^k-4440402131 is a prime.

It is a super-2 number, since 2×4440402131² = 39434342169978682322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4440402097 and 4440402106.

It is not an unprimeable number, because it can be changed into a prime (4440402133) 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, 4922390 + ... + 4923291.

It is an arithmetic number, because the mean of its divisors is an integer number (620277966).

Almost surely, 2^4440402131 is an apocalyptic number.

4440402131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4440402131 is a deficient number, since it is larger than the sum of its proper divisors (521821597).

4440402131 is a wasteful number, since it uses less digits than its factorization.

4440402131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9845733.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4440402131 is about 66636.3424191334. The cubic root of 4440402131 is about 1643.6427715794.

Adding to 4440402131 its reverse (1312040444), we get a palindrome (5752442575).

The spelling of 4440402131 in words is "four billion, four hundred forty million, four hundred two thousand, one hundred thirty-one".