538393280208 has 480 divisors, whose sum is σ = 1746537357312. Its totient is φ = 139824921600.

The previous prime is 538393280207. The next prime is 538393280221. The reversal of 538393280208 is 802082393835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538393280207) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 492582510 + ... + 492583602.

Almost surely, 2^538393280208 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 538393280208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873268678656).

538393280208 is an abundant number, since it is smaller than the sum of its proper divisors (1208144077104).

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

538393280208 is a wasteful number, since it uses less digits than its factorization.

538393280208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 538393280208 in words is "five hundred thirty-eight billion, three hundred ninety-three million, two hundred eighty thousand, two hundred eight".