538322140 has 24 divisors (see below), whose sum is σ = 1131822720. Its totient is φ = 215072448.

The previous prime is 538322137. The next prime is 538322143. The reversal of 538322140 is 41223835.

It is an interprime number because it is at equal distance from previous prime (538322137) and next prime (538322143).

It is a junction number, because it is equal to n+sod(n) for n = 538322099 and 538322108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538322143) by changing a digit.

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, 1666 + ... + 32854.

It is an arithmetic number, because the mean of its divisors is an integer number (47159280).

Almost surely, 2^538322140 is an apocalyptic number.

It is an amenable number.

538322140 is an abundant number, since it is smaller than the sum of its proper divisors (593500580).

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

538322140 is a wasteful number, since it uses less digits than its factorization.

538322140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32061 (or 32059 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 538322140 is about 23201.7701910867. The cubic root of 538322140 is about 813.4810001674.

Adding to 538322140 its reverse (41223835), we get a palindrome (579545975).

The spelling of 538322140 in words is "five hundred thirty-eight million, three hundred twenty-two thousand, one hundred forty".