263247163512740 has 288 divisors, whose sum is σ = 636864055027200. Its totient is φ = 90632335242240.

The previous prime is 263247163512731. The next prime is 263247163512899. The reversal of 263247163512740 is 47215361742362.

It is a super-3 number, since 3×263247163512740³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13180141394 + ... + 13180161366.

It is an arithmetic number, because the mean of its divisors is an integer number (2211333524400).

Almost surely, 2^{263247163512740} is an apocalyptic number.

263247163512740 is a gapful number since it is divisible by the number (20) 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 263247163512740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318432027513600).

263247163512740 is an abundant number, since it is smaller than the sum of its proper divisors (373616891514460).

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

263247163512740 is a wasteful number, since it uses less digits than its factorization.

263247163512740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21187 (or 21162 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 263247163512740 in words is "two hundred sixty-three trillion, two hundred forty-seven billion, one hundred sixty-three million, five hundred twelve thousand, seven hundred forty".