253083449476 has 81 divisors (see below), whose sum is σ = 527447718693. Its totient is φ = 106128491040.

The previous prime is 253083449453. The next prime is 253083449477. The reversal of 253083449476 is 674944380352.

The square root of 253083449476 is 503074.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 37438380100 + 215645069376 = 193490^2 + 464376^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253083449477) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 143878285 + ... + 143880043.

Almost surely, 2^253083449476 is an apocalyptic number.

253083449476 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

253083449476 is the 503074-th square number.

It is an amenable number.

253083449476 is an abundant number, since it is smaller than the sum of its proper divisors (274364269217).

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

253083449476 is a wasteful number, since it uses less digits than its factorization.

253083449476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 55.

The spelling of 253083449476 in words is "two hundred fifty-three billion, eighty-three million, four hundred forty-nine thousand, four hundred seventy-six".