263116004250 has 128 divisors (see below), whose sum is σ = 754148828160. Its totient is φ = 60428520000.

The previous prime is 263116004243. The next prime is 263116004251. The reversal of 263116004250 is 52400611362.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (263116004251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 682536 + ... + 996035.

It is an arithmetic number, because the mean of its divisors is an integer number (5891787720).

Almost surely, 2^263116004250 is an apocalyptic number.

263116004250 is an abundant number, since it is smaller than the sum of its proper divisors (491032823910).

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

263116004250 is a wasteful number, since it uses less digits than its factorization.

263116004250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678621 (or 1678611 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 263116004250 in words is "two hundred sixty-three billion, one hundred sixteen million, four thousand, two hundred fifty".