538118208 has 112 divisors (see below), whose sum is σ = 1600200000. Its totient is φ = 177306624.

The previous prime is 538118197. The next prime is 538118227. The reversal of 538118208 is 802811835.

538118208 is a `hidden beast` number, since 538 + 118 + 2 + 0 + 8 = 666.

It is a super-2 number, since 2×538118208² = 579142411562262528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152043 + ... + 155541.

It is an arithmetic number, because the mean of its divisors is an integer number (14287500).

Almost surely, 2^538118208 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 538118208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800100000).

538118208 is an abundant number, since it is smaller than the sum of its proper divisors (1062081792).

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

538118208 is a wasteful number, since it uses less digits than its factorization.

538118208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 538118208 is about 23197.3750239116. The cubic root of 538118208 is about 813.3782638143.

The spelling of 538118208 in words is "five hundred thirty-eight million, one hundred eighteen thousand, two hundred eight".