254402143120441 has 16 divisors (see below), whose sum is σ = 265569584569344. Its totient is φ = 243243580711824.

The previous prime is 254402143120439. The next prime is 254402143120547. The reversal of 254402143120441 is 144021341204452.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 254402143120441 - 2¹ = 254402143120439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254402143120441.

It is not an unprimeable number, because it can be changed into a prime (254402143120241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3397109500 + ... + 3397184386.

It is an arithmetic number, because the mean of its divisors is an integer number (16598099035584).

Almost surely, 2^{254402143120441} is an apocalyptic number.

It is an amenable number.

254402143120441 is a deficient number, since it is larger than the sum of its proper divisors (11167441448903).

254402143120441 is a wasteful number, since it uses less digits than its factorization.

254402143120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132180.

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 254402143120441 its reverse (144021341204452), we get a palindrome (398423484324893).

The spelling of 254402143120441 in words is "two hundred fifty-four trillion, four hundred two billion, one hundred forty-three million, one hundred twenty thousand, four hundred forty-one".