44400113 has 2 divisors, whose sum is σ = 44400114. Its totient is φ = 44400112.

The previous prime is 44400049. The next prime is 44400119. The reversal of 44400113 is 31100444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43665664 + 734449 = 6608^2 + 857^2 .

It is a cyclic number.

It is not a de Polignac number, because 44400113 - 2⁶ = 44400049 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 44400091 and 44400100.

It is not a weakly prime, because it can be changed into another prime (44400119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22200056 + 22200057.

It is an arithmetic number, because the mean of its divisors is an integer number (22200057).

Almost surely, 2^44400113 is an apocalyptic number.

It is an amenable number.

44400113 is a deficient number, since it is larger than the sum of its proper divisors (1).

44400113 is an equidigital number, since it uses as much as digits as its factorization.

44400113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 44400113 is about 6663.3409788184. The cubic root of 44400113 is about 354.1017109080.

Adding to 44400113 its reverse (31100444), we get a palindrome (75500557).

The spelling of 44400113 in words is "forty-four million, four hundred thousand, one hundred thirteen".