539178042 has 16 divisors (see below), whose sum is σ = 1161306720. Its totient is φ = 165900912.

The previous prime is 539178041. The next prime is 539178091. The reversal of 539178042 is 240871935.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (539178041) 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, 3456192 + ... + 3456347.

It is an arithmetic number, because the mean of its divisors is an integer number (72581670).

Almost surely, 2^539178042 is an apocalyptic number.

539178042 is an abundant number, since it is smaller than the sum of its proper divisors (622128678).

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

539178042 is a wasteful number, since it uses less digits than its factorization.

539178042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6912557.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 539178042 is about 23220.2076218108. The cubic root of 539178042 is about 813.9119015949.

The spelling of 539178042 in words is "five hundred thirty-nine million, one hundred seventy-eight thousand, forty-two".