263935358796252 has 192 divisors, whose sum is σ = 766560120076800. Its totient is φ = 69441226629120.

The previous prime is 263935358796233. The next prime is 263935358796257. The reversal of 263935358796252 is 252697853539362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263935358796257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43197624 + ... + 48927552.

It is an arithmetic number, because the mean of its divisors is an integer number (3992500625400).

Almost surely, 2^{263935358796252} is an apocalyptic number.

263935358796252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263935358796252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383280060038400).

263935358796252 is an abundant number, since it is smaller than the sum of its proper divisors (502624761280548).

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

263935358796252 is a wasteful number, since it uses less digits than its factorization.

263935358796252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5731556 (or 5731554 counting only the distinct ones).

The product of its digits is 4408992000, while the sum is 75.

The spelling of 263935358796252 in words is "two hundred sixty-three trillion, nine hundred thirty-five billion, three hundred fifty-eight million, seven hundred ninety-six thousand, two hundred fifty-two".