540147642 has 8 divisors (see below), whose sum is σ = 1080295296. Its totient is φ = 180049212.

The previous prime is 540147593. The next prime is 540147661. The reversal of 540147642 is 246741045.

It is a sphenic number, since it is the product of 3 distinct primes.

540147642 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45012298 + ... + 45012309.

It is an arithmetic number, because the mean of its divisors is an integer number (135036912).

Almost surely, 2^540147642 is an apocalyptic number.

540147642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

540147642 is a wasteful number, since it uses less digits than its factorization.

540147642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90024612.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 540147642 is about 23241.0766101745. The cubic root of 540147642 is about 814.3994934094.

Adding to 540147642 its reverse (246741045), we get a palindrome (786888687).

The spelling of 540147642 in words is "five hundred forty million, one hundred forty-seven thousand, six hundred forty-two".