540217542 has 16 divisors (see below), whose sum is σ = 1080910080. Its totient is φ = 179993352.

The previous prime is 540217507. The next prime is 540217543. The reversal of 540217542 is 245712045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540217543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4042 + ... + 33117.

It is an arithmetic number, because the mean of its divisors is an integer number (67556880).

Almost surely, 2^540217542 is an apocalyptic number.

540217542 is an abundant number, since it is smaller than the sum of its proper divisors (540692538).

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

540217542 is a wasteful number, since it uses less digits than its factorization.

540217542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39587.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 540217542 is about 23242.5803644948. The cubic root of 540217542 is about 814.4346221191.

Adding to 540217542 its reverse (245712045), we get a palindrome (785929587).

The spelling of 540217542 in words is "five hundred forty million, two hundred seventeen thousand, five hundred forty-two".