253438855476 has 24 divisors (see below), whose sum is σ = 591368139264. Its totient is φ = 84478074240.

The previous prime is 253438855469. The next prime is 253438855477. The reversal of 253438855476 is 674558834352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253438855477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631756 + ... + 951836.

It is an arithmetic number, because the mean of its divisors is an integer number (24640339136).

Almost surely, 2^253438855476 is an apocalyptic number.

It is an amenable number.

253438855476 is an abundant number, since it is smaller than the sum of its proper divisors (337929283788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253438855476 is a wasteful number, since it uses less digits than its factorization.

253438855476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386071 (or 386069 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 60.

The spelling of 253438855476 in words is "two hundred fifty-three billion, four hundred thirty-eight million, eight hundred fifty-five thousand, four hundred seventy-six".