2144405441225 has 48 divisors (see below), whose sum is σ = 2820819456000. Its totient is φ = 1612585972800.

The previous prime is 2144405441207. The next prime is 2144405441251. The reversal of 2144405441225 is 5221445044412.

It is not a de Polignac number, because 2144405441225 - 2¹⁶ = 2144405375689 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123524096 + ... + 123541454.

It is an arithmetic number, because the mean of its divisors is an integer number (58767072000).

Almost surely, 2^{2144405441225} is an apocalyptic number.

2144405441225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2144405441225 is a deficient number, since it is larger than the sum of its proper divisors (676414014775).

2144405441225 is a wasteful number, since it uses less digits than its factorization.

2144405441225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19398 (or 19393 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 38.

The spelling of 2144405441225 in words is "two trillion, one hundred forty-four billion, four hundred five million, four hundred forty-one thousand, two hundred twenty-five".