253443244004 has 12 divisors (see below), whose sum is σ = 444130764924. Its totient is φ = 126548739744.

The previous prime is 253443243983. The next prime is 253443244031. The reversal of 253443244004 is 400442344352.

It can be written as a sum of positive squares in 2 ways, for example, as 221133181504 + 32310062500 = 470248^2 + 179750^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43217267 + ... + 43223130.

It is an arithmetic number, because the mean of its divisors is an integer number (37010897077).

Almost surely, 2^253443244004 is an apocalyptic number.

It is an amenable number.

253443244004 is a deficient number, since it is larger than the sum of its proper divisors (190687520920).

253443244004 is a wasteful number, since it uses less digits than its factorization.

253443244004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86441134 (or 86441132 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 253443244004 its reverse (400442344352), we get a palindrome (653885588356).

The spelling of 253443244004 in words is "two hundred fifty-three billion, four hundred forty-three million, two hundred forty-four thousand, four".