263278222080 has 288 divisors, whose sum is σ = 892130355648. Its totient is φ = 65942323200.

The previous prime is 263278222079. The next prime is 263278222099. The reversal of 263278222080 is 80222872362.

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, 34007010 + ... + 34014750.

It is an arithmetic number, because the mean of its divisors is an integer number (3097674846).

Almost surely, 2^263278222080 is an apocalyptic number.

263278222080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263278222080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446065177824).

263278222080 is an abundant number, since it is smaller than the sum of its proper divisors (628852133568).

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

263278222080 is a wasteful number, since it uses less digits than its factorization.

263278222080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8303 (or 8289 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 263278222080 in words is "two hundred sixty-three billion, two hundred seventy-eight million, two hundred twenty-two thousand, eighty".