2144402041 has 4 divisors (see below), whose sum is σ = 2147748084. Its totient is φ = 2141056000.

The previous prime is 2144402021. The next prime is 2144402047. The reversal of 2144402041 is 1402044412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 874976400 + 1269425641 = 29580^2 + 35629^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144402041 - 2¹¹ = 2144399993 is a prime.

It is a super-2 number, since 2×2144402041² = 9196920226889931362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144402047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1672060 + ... + 1673341.

It is an arithmetic number, because the mean of its divisors is an integer number (536937021).

Almost surely, 2^2144402041 is an apocalyptic number.

It is an amenable number.

2144402041 is a deficient number, since it is larger than the sum of its proper divisors (3346043).

2144402041 is an equidigital number, since it uses as much as digits as its factorization.

2144402041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346042.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2144402041 is about 46307.6887892281. The cubic root of 2144402041 is about 1289.5417399570.

Adding to 2144402041 its reverse (1402044412), we get a palindrome (3546446453).

The spelling of 2144402041 in words is "two billion, one hundred forty-four million, four hundred two thousand, forty-one".