263028426 has 8 divisors (see below), whose sum is σ = 526056864. Its totient is φ = 87676140.

The previous prime is 263028421. The next prime is 263028427. The reversal of 263028426 is 624820362.

It is a sphenic number, since it is the product of 3 distinct primes.

263028426 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (263028421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21919030 + ... + 21919041.

It is an arithmetic number, because the mean of its divisors is an integer number (65757108).

Almost surely, 2^263028426 is an apocalyptic number.

263028426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

263028426 is a wasteful number, since it uses less digits than its factorization.

263028426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43838076.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 263028426 is about 16218.1511276717. The cubic root of 263028426 is about 640.7189398026.

Adding to 263028426 its reverse (624820362), we get a palindrome (887848788).

The spelling of 263028426 in words is "two hundred sixty-three million, twenty-eight thousand, four hundred twenty-six".