542215140542 has 8 divisors (see below), whose sum is σ = 813326808456. Its totient is φ = 271106204392.

The previous prime is 542215140541. The next prime is 542215140547. The reversal of 542215140542 is 245041512245.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542215140541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80408 + ... + 1044459.

It is an arithmetic number, because the mean of its divisors is an integer number (101665851057).

Almost surely, 2^542215140542 is an apocalyptic number.

542215140542 is a deficient number, since it is larger than the sum of its proper divisors (271111667914).

542215140542 is a wasteful number, since it uses less digits than its factorization.

542215140542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365882.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 542215140542 its reverse (245041512245), we get a palindrome (787256652787).

The spelling of 542215140542 in words is "five hundred forty-two billion, two hundred fifteen million, one hundred forty thousand, five hundred forty-two".