244400313 has 16 divisors (see below), whose sum is σ = 356935680. Its totient is φ = 148060416.

The previous prime is 244400297. The next prime is 244400333. The reversal of 244400313 is 313004442.

It is not a de Polignac number, because 244400313 - 2⁴ = 244400297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244400313.

It is not an unprimeable number, because it can be changed into a prime (244400333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81145 + ... + 84102.

It is an arithmetic number, because the mean of its divisors is an integer number (22308480).

Almost surely, 2^244400313 is an apocalyptic number.

It is an amenable number.

244400313 is a deficient number, since it is larger than the sum of its proper divisors (112535367).

244400313 is a wasteful number, since it uses less digits than its factorization.

244400313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165296.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 244400313 is about 15633.3078073708. The cubic root of 244400313 is about 625.2215219023.

Adding to 244400313 its reverse (313004442), we get a palindrome (557404755).

The spelling of 244400313 in words is "two hundred forty-four million, four hundred thousand, three hundred thirteen".