44516401 has 2 divisors, whose sum is σ = 44516402. Its totient is φ = 44516400.

The previous prime is 44516399. The next prime is 44516429. The reversal of 44516401 is 10461544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44355600 + 160801 = 6660^2 + 401^2 .

It is a cyclic number.

It is not a de Polignac number, because 44516401 - 2¹ = 44516399 is a prime.

Together with 44516399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (44516701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22258200 + 22258201.

It is an arithmetic number, because the mean of its divisors is an integer number (22258201).

Almost surely, 2^44516401 is an apocalyptic number.

It is an amenable number.

44516401 is a deficient number, since it is larger than the sum of its proper divisors (1).

44516401 is an equidigital number, since it uses as much as digits as its factorization.

44516401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 44516401 is about 6672.0612257383. The cubic root of 44516401 is about 354.4105831137.

Adding to 44516401 its reverse (10461544), we get a palindrome (54977945).

The spelling of 44516401 in words is "forty-four million, five hundred sixteen thousand, four hundred one".