263126430 has 96 divisors (see below), whose sum is σ = 795225600. Its totient is φ = 59115456.

The previous prime is 263126411. The next prime is 263126431. The reversal of 263126430 is 34621362.

263126430 is a `hidden beast` number, since 2 + 6 + 3 + 12 + 643 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 263126394 and 263126403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263126431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33631 + ... + 40709.

It is an arithmetic number, because the mean of its divisors is an integer number (8283600).

Almost surely, 2^263126430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263126430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397612800).

263126430 is an abundant number, since it is smaller than the sum of its proper divisors (532099170).

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

263126430 is a wasteful number, since it uses less digits than its factorization.

263126430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7158 (or 7155 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 263126430 is about 16221.1722757635. The cubic root of 263126430 is about 640.7985068957.

Adding to 263126430 its reverse (34621362), we get a palindrome (297747792).

The spelling of 263126430 in words is "two hundred sixty-three million, one hundred twenty-six thousand, four hundred thirty".