2440144433 has 8 divisors (see below), whose sum is σ = 2495373696. Its totient is φ = 2385255600.

The previous prime is 2440144403. The next prime is 2440144457. The reversal of 2440144433 is 3344410442.

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 2440144433 - 2¹² = 2440140337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2440144396 and 2440144405.

It is not an unprimeable number, because it can be changed into a prime (2440144403) 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, 70583 + ... + 99308.

It is an arithmetic number, because the mean of its divisors is an integer number (311921712).

Almost surely, 2^2440144433 is an apocalyptic number.

It is an amenable number.

2440144433 is a deficient number, since it is larger than the sum of its proper divisors (55229263).

2440144433 is a wasteful number, since it uses less digits than its factorization.

2440144433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170215.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 2440144433 is about 49397.8180995882. The cubic root of 2440144433 is about 1346.2896624287.

Adding to 2440144433 its reverse (3344410442), we get a palindrome (5784554875).

The spelling of 2440144433 in words is "two billion, four hundred forty million, one hundred forty-four thousand, four hundred thirty-three".