263967213760 has 28 divisors (see below), whose sum is σ = 628571928528. Its totient is φ = 105586885376.

The previous prime is 263967213743. The next prime is 263967213827. The reversal of 263967213760 is 67312769362.

It is a junction number, because it is equal to n+sod(n) for n = 263967213698 and 263967213707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412448452 + ... + 412449091.

Almost surely, 2^263967213760 is an apocalyptic number.

263967213760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263967213760 is an abundant number, since it is smaller than the sum of its proper divisors (364604714768).

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

263967213760 is an equidigital number, since it uses as much as digits as its factorization.

263967213760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824897560 (or 824897550 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 263967213760 in words is "two hundred sixty-three billion, nine hundred sixty-seven million, two hundred thirteen thousand, seven hundred sixty".