263030404512 has 144 divisors (see below), whose sum is σ = 765350292672. Its totient is φ = 78931353600.

The previous prime is 263030404459. The next prime is 263030404537. The reversal of 263030404512 is 215404030362.

It is a self number, because there is not a number n which added to its sum of digits gives 263030404512.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432012 + ... + 844212.

It is an arithmetic number, because the mean of its divisors is an integer number (5314932588).

Almost surely, 2^263030404512 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 263030404512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382675146336).

263030404512 is an abundant number, since it is smaller than the sum of its proper divisors (502319888160).

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

263030404512 is a wasteful number, since it uses less digits than its factorization.

263030404512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412271 (or 412246 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 263030404512 its reverse (215404030362), we get a palindrome (478434434874).

The spelling of 263030404512 in words is "two hundred sixty-three billion, thirty million, four hundred four thousand, five hundred twelve".