44044400453 has 2 divisors, whose sum is σ = 44044400454. Its totient is φ = 44044400452.

The previous prime is 44044400443. The next prime is 44044400467. The reversal of 44044400453 is 35400444044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35788315684 + 8256084769 = 189178^2 + 90863^2 .

It is a cyclic number.

It is not a de Polignac number, because 44044400453 - 2²⁸ = 43775964997 is a prime.

It is a super-2 number, since 2×44044400453² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44044400443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22022200226 + 22022200227.

It is an arithmetic number, because the mean of its divisors is an integer number (22022200227).

Almost surely, 2^44044400453 is an apocalyptic number.

It is an amenable number.

44044400453 is a deficient number, since it is larger than the sum of its proper divisors (1).

44044400453 is an equidigital number, since it uses as much as digits as its factorization.

44044400453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 44044400453 its reverse (35400444044), we get a palindrome (79444844497).

The spelling of 44044400453 in words is "forty-four billion, forty-four million, four hundred thousand, four hundred fifty-three".