540488238 has 8 divisors (see below), whose sum is σ = 1080976488. Its totient is φ = 180162744.

The previous prime is 540488237. The next prime is 540488257. The reversal of 540488238 is 832884045.

It is a happy number.

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

540488238 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 540488238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540488237) by changing a digit.

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, 45040681 + ... + 45040692.

It is an arithmetic number, because the mean of its divisors is an integer number (135122061).

Almost surely, 2^540488238 is an apocalyptic number.

540488238 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.

540488238 is a wasteful number, since it uses less digits than its factorization.

540488238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90081378.

The product of its (nonzero) digits is 245760, while the sum is 42.

The square root of 540488238 is about 23248.4029128884. The cubic root of 540488238 is about 814.5706336106.

The spelling of 540488238 in words is "five hundred forty million, four hundred eighty-eight thousand, two hundred thirty-eight".