538388064 has 36 divisors (see below), whose sum is σ = 1531041876. Its totient is φ = 179462592.

The previous prime is 538388063. The next prime is 538388083. The reversal of 538388064 is 460883835.

538388064 is a `hidden beast` number, since 538 + 38 + 80 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538388063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 934414 + ... + 934989.

It is an arithmetic number, because the mean of its divisors is an integer number (42528941).

Almost surely, 2^538388064 is an apocalyptic number.

It is an amenable number.

538388064 is an abundant number, since it is smaller than the sum of its proper divisors (992653812).

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

538388064 is a wasteful number, since it uses less digits than its factorization.

538388064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869419 (or 1869408 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 538388064 is about 23203.1908150582. The cubic root of 538388064 is about 813.5142056457.

The spelling of 538388064 in words is "five hundred thirty-eight million, three hundred eighty-eight thousand, sixty-four".