538132560 has 80 divisors (see below), whose sum is σ = 1906532736. Its totient is φ = 123001344.

The previous prime is 538132549. The next prime is 538132561. The reversal of 538132560 is 65231835.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538132561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158479 + ... + 161838.

Almost surely, 2^538132560 is an apocalyptic number.

It is an amenable number.

538132560 is an abundant number, since it is smaller than the sum of its proper divisors (1368400176).

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

538132560 is a wasteful number, since it uses less digits than its factorization.

538132560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320340 (or 320334 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 538132560 is about 23197.6843671949. The cubic root of 538132560 is about 813.3854948779.

The spelling of 538132560 in words is "five hundred thirty-eight million, one hundred thirty-two thousand, five hundred sixty".