253884436465266 has 48 divisors (see below), whose sum is σ = 550432778987520. Its totient is φ = 84574331487360.

The previous prime is 253884436465237. The next prime is 253884436465267. The reversal of 253884436465266 is 662564634488352.

253884436465266 is a `hidden beast` number, since 2 + 5 + 3 + 8 + 8 + 443 + 64 + 65 + 2 + 66 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 253884436465194 and 253884436465203.

It is not an unprimeable number, because it can be changed into a prime (253884436465267) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 482994426 + ... + 483519786.

It is an arithmetic number, because the mean of its divisors is an integer number (11467349562240).

Almost surely, 2^{253884436465266} is an apocalyptic number.

253884436465266 is an abundant number, since it is smaller than the sum of its proper divisors (296548342522254).

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

253884436465266 is a wasteful number, since it uses less digits than its factorization.

253884436465266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542391 (or 542388 counting only the distinct ones).

The product of its digits is 4777574400, while the sum is 72.

The spelling of 253884436465266 in words is "two hundred fifty-three trillion, eight hundred eighty-four billion, four hundred thirty-six million, four hundred sixty-five thousand, two hundred sixty-six".