263264256000 has 1080 divisors, whose sum is σ = 1028934654384. Its totient is φ = 67151462400.

The previous prime is 263264255953. The next prime is 263264256007. The reversal of 263264256000 is 652462362.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

263264256000 is a `hidden beast` number, since 2 + 6 + 3 + 2 + 6 + 42 + 5 + 600 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1080).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263264256007) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11446271989 + ... + 11446272011.

Almost surely, 2^263264256000 is an apocalyptic number.

263264256000 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 263264256000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514467327192).

263264256000 is an abundant number, since it is smaller than the sum of its proper divisors (765670398384).

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

263264256000 is an frugal number, since it uses more digits than its factorization.

263264256000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 263264256000 in words is "two hundred sixty-three billion, two hundred sixty-four million, two hundred fifty-six thousand".