263131455288 has 256 divisors, whose sum is σ = 746664468480. Its totient is φ = 76669452288.

The previous prime is 263131455287. The next prime is 263131455343. The reversal of 263131455288 is 882554131362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263131455281) 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 63 ways as a sum of consecutive naturals, for example, 433494681 + ... + 433495287.

It is an arithmetic number, because the mean of its divisors is an integer number (2916658080).

Almost surely, 2^263131455288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263131455288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373332234240).

263131455288 is an abundant number, since it is smaller than the sum of its proper divisors (483533013192).

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

263131455288 is a wasteful number, since it uses less digits than its factorization.

263131455288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1154 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The spelling of 263131455288 in words is "two hundred sixty-three billion, one hundred thirty-one million, four hundred fifty-five thousand, two hundred eighty-eight".