263906272 has 48 divisors (see below), whose sum is σ = 595963872. Its totient is φ = 112688640.

The previous prime is 263906261. The next prime is 263906281. The reversal of 263906272 is 272609362.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 63622 + ... + 67642.

It is an arithmetic number, because the mean of its divisors is an integer number (12415914).

Almost surely, 2^263906272 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 263906272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297981936).

263906272 is an abundant number, since it is smaller than the sum of its proper divisors (332057600).

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

263906272 is a wasteful number, since it uses less digits than its factorization.

263906272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331 (or 4323 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 263906272 is about 16245.1922734082. The cubic root of 263906272 is about 641.4309388873.

The spelling of 263906272 in words is "two hundred sixty-three million, nine hundred six thousand, two hundred seventy-two".