263105472 has 112 divisors (see below), whose sum is σ = 801128192. Its totient is φ = 74649600.

The previous prime is 263105443. The next prime is 263105473. The reversal of 263105472 is 274501362.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263105473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218472 + ... + 219672.

Almost surely, 2^263105472 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 263105472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400564096).

263105472 is an abundant number, since it is smaller than the sum of its proper divisors (538022720).

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

263105472 is a wasteful number, since it uses less digits than its factorization.

263105472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 263105472 is about 16220.5262553346. The cubic root of 263105472 is about 640.7814932599.

The spelling of 263105472 in words is "two hundred sixty-three million, one hundred five thousand, four hundred seventy-two".