538642160 has 40 divisors (see below), whose sum is σ = 1431250656. Its totient is φ = 184677120.

The previous prime is 538642157. The next prime is 538642219. The reversal of 538642160 is 61246835.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 538642160.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480371 + ... + 481490.

Almost surely, 2^538642160 is an apocalyptic number.

It is an amenable number.

538642160 is an abundant number, since it is smaller than the sum of its proper divisors (892608496).

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

538642160 is a wasteful number, since it uses less digits than its factorization.

538642160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961881 (or 961875 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 538642160 is about 23208.6656229952. The cubic root of 538642160 is about 813.6421667506.

Adding to 538642160 its reverse (61246835), we get a palindrome (599888995).

The spelling of 538642160 in words is "five hundred thirty-eight million, six hundred forty-two thousand, one hundred sixty".