253688542024 has 32 divisors (see below), whose sum is σ = 477487334520. Its totient is φ = 126358788096.

The previous prime is 253688541941. The next prime is 253688542031. The reversal of 253688542024 is 420245886352.

It can be written as a sum of positive squares in 4 ways, for example, as 190628292100 + 63060249924 = 436610^2 + 251118^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13403992 + ... + 13422904.

Almost surely, 2^253688542024 is an apocalyptic number.

It is an amenable number.

253688542024 is a deficient number, since it is larger than the sum of its proper divisors (223798792496).

253688542024 is a wasteful number, since it uses less digits than its factorization.

253688542024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25249 (or 25245 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 49.

The spelling of 253688542024 in words is "two hundred fifty-three billion, six hundred eighty-eight million, five hundred forty-two thousand, twenty-four".