263000425335544 has 128 divisors (see below), whose sum is σ = 563592683808000. Its totient is φ = 113981610645504.

The previous prime is 263000425335523. The next prime is 263000425335551. The reversal of 263000425335544 is 445533524000362.

It is a junction number, because it is equal to n+sod(n) for n = 263000425335494 and 263000425335503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1494750727 + ... + 1494926665.

It is an arithmetic number, because the mean of its divisors is an integer number (4403067842250).

Almost surely, 2^{263000425335544} 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 263000425335544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281796341904000).

263000425335544 is an abundant number, since it is smaller than the sum of its proper divisors (300592258472456).

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

263000425335544 is a wasteful number, since it uses less digits than its factorization.

263000425335544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177917 (or 177913 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 46.

The spelling of 263000425335544 in words is "two hundred sixty-three trillion, four hundred twenty-five million, three hundred thirty-five thousand, five hundred forty-four".