253240344004 has 12 divisors (see below), whose sum is σ = 443949464700. Its totient is φ = 126397639808.

The previous prime is 253240343987. The next prime is 253240344011. The reversal of 253240344004 is 400443042352.

It can be written as a sum of positive squares in 2 ways, for example, as 15876504004 + 237363840000 = 126002^2 + 487200^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55630489 + ... + 55635040.

It is an arithmetic number, because the mean of its divisors is an integer number (36995788725).

Almost surely, 2^253240344004 is an apocalyptic number.

It is an amenable number.

253240344004 is a deficient number, since it is larger than the sum of its proper divisors (190709120696).

253240344004 is a wasteful number, since it uses less digits than its factorization.

253240344004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111266102 (or 111266100 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 253240344004 its reverse (400443042352), we get a palindrome (653683386356).

The spelling of 253240344004 in words is "two hundred fifty-three billion, two hundred forty million, three hundred forty-four thousand, four".