538226939808 has 192 divisors, whose sum is σ = 1734440843520. Its totient is φ = 161513865216.

The previous prime is 538226939771. The next prime is 538226939839. The reversal of 538226939808 is 808939622835.

538226939808 is a `hidden beast` number, since 538 + 2 + 2 + 6 + 9 + 3 + 98 + 0 + 8 = 666.

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, 458785 + ... + 1134432.

It is an arithmetic number, because the mean of its divisors is an integer number (9033546060).

Almost surely, 2^538226939808 is an apocalyptic number.

It is an amenable number.

538226939808 is an abundant number, since it is smaller than the sum of its proper divisors (1196213903712).

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

538226939808 is a wasteful number, since it uses less digits than its factorization.

538226939808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593276 (or 1593262 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 538226939808 in words is "five hundred thirty-eight billion, two hundred twenty-six million, nine hundred thirty-nine thousand, eight hundred eight".