244140413 has 8 divisors (see below), whose sum is σ = 266710080. Its totient is φ = 221633280.

The previous prime is 244140359. The next prime is 244140461. The reversal of 244140413 is 314041442.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-244140413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244140613) 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, 7268 + ... + 23261.

It is an arithmetic number, because the mean of its divisors is an integer number (33338760).

Almost surely, 2^244140413 is an apocalyptic number.

It is an amenable number.

244140413 is a deficient number, since it is larger than the sum of its proper divisors (22569667).

244140413 is a wasteful number, since it uses less digits than its factorization.

244140413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31267.

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

The square root of 244140413 is about 15624.9932159985. The cubic root of 244140413 is about 624.9998190933. Note that the first 3 decimals are identical.

Adding to 244140413 its reverse (314041442), we get a palindrome (558181855).

The spelling of 244140413 in words is "two hundred forty-four million, one hundred forty thousand, four hundred thirteen".