542240243513 has 16 divisors (see below), whose sum is σ = 556398425856. Its totient is φ = 528127205760.

The previous prime is 542240243507. The next prime is 542240243527. The reversal of 542240243513 is 315342042245.

It is a happy number.

It is not a de Polignac number, because 542240243513 - 2³⁴ = 525060374329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542240243533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100170995 + ... + 100176407.

It is an arithmetic number, because the mean of its divisors is an integer number (34774901616).

Almost surely, 2^542240243513 is an apocalyptic number.

It is an amenable number.

542240243513 is a deficient number, since it is larger than the sum of its proper divisors (14158182343).

542240243513 is a wasteful number, since it uses less digits than its factorization.

542240243513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9104.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 542240243513 its reverse (315342042245), we get a palindrome (857582285758).

The spelling of 542240243513 in words is "five hundred forty-two billion, two hundred forty million, two hundred forty-three thousand, five hundred thirteen".