263225488380832 has 72 divisors (see below), whose sum is σ = 556687600601580. Its totient is φ = 122479010734080.

The previous prime is 263225488380823. The next prime is 263225488380913. The reversal of 263225488380832 is 238083884522362.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 217423400240656 + 45802088140176 = 14745284^2 + 6767724^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159081219 + ... + 160727362.

Almost surely, 2^{263225488380832} is an apocalyptic number.

It is an amenable number.

263225488380832 is an abundant number, since it is smaller than the sum of its proper divisors (293462112220748).

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

263225488380832 is a wasteful number, since it uses less digits than its factorization.

263225488380832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319808714 (or 319808689 counting only the distinct ones).

The product of its (nonzero) digits is 212336640, while the sum is 64.

The spelling of 263225488380832 in words is "two hundred sixty-three trillion, two hundred twenty-five billion, four hundred eighty-eight million, three hundred eighty thousand, eight hundred thirty-two".