540542000 has 40 divisors (see below), whose sum is σ = 1307035392. Its totient is φ = 216216000.

The previous prime is 540541993. The next prime is 540542003. The reversal of 540542000 is 245045.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (540542003) 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 7 ways as a sum of consecutive naturals, for example, 133136 + ... + 137135.

Almost surely, 2^540542000 is an apocalyptic number.

540542000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

540542000 is an abundant number, since it is smaller than the sum of its proper divisors (766493392).

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

540542000 is a wasteful number, since it uses less digits than its factorization.

540542000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270294 (or 270278 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 540542000 is about 23249.5591356051. The cubic root of 540542000 is about 814.5976409787.

Adding to 540542000 its reverse (245045), we get a palindrome (540787045).

The spelling of 540542000 in words is "five hundred forty million, five hundred forty-two thousand".