538140084 has 12 divisors (see below), whose sum is σ = 1255660224. Its totient is φ = 179380024.

The previous prime is 538140077. The next prime is 538140101. The reversal of 538140084 is 480041835.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22422492 + ... + 22422515.

It is an arithmetic number, because the mean of its divisors is an integer number (104638352).

Almost surely, 2^538140084 is an apocalyptic number.

It is an amenable number.

538140084 is an abundant number, since it is smaller than the sum of its proper divisors (717520140).

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

538140084 is a wasteful number, since it uses less digits than its factorization.

538140084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44845014 (or 44845012 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 538140084 is about 23197.8465379871. The cubic root of 538140084 is about 813.3892856936.

The spelling of 538140084 in words is "five hundred thirty-eight million, one hundred forty thousand, eighty-four".