538220068 has 24 divisors (see below), whose sum is σ = 1049781600. Its totient is φ = 239948928.

The previous prime is 538220063. The next prime is 538220099. The reversal of 538220068 is 860022835.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (538220063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206998 + ... + 209581.

It is an arithmetic number, because the mean of its divisors is an integer number (43740900).

Almost surely, 2^538220068 is an apocalyptic number.

It is an amenable number.

538220068 is a deficient number, since it is larger than the sum of its proper divisors (511561532).

538220068 is a wasteful number, since it uses less digits than its factorization.

538220068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416619 (or 416617 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 538220068 is about 23199.5704270575. The cubic root of 538220068 is about 813.4295818343.

The spelling of 538220068 in words is "five hundred thirty-eight million, two hundred twenty thousand, sixty-eight".