542636246 has 8 divisors (see below), whose sum is σ = 819417600. Its totient is φ = 269497048.

The previous prime is 542636233. The next prime is 542636249. The reversal of 542636246 is 642636245.

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 (542636249) 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, 910166 + ... + 910761.

It is an arithmetic number, because the mean of its divisors is an integer number (102427200).

Almost surely, 2^542636246 is an apocalyptic number.

542636246 is a deficient number, since it is larger than the sum of its proper divisors (276781354).

542636246 is a wasteful number, since it uses less digits than its factorization.

542636246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821078.

The product of its digits is 207360, while the sum is 38.

The square root of 542636246 is about 23294.5539987354. The cubic root of 542636246 is about 815.6482959460.

Subtracting 542636246 from its reverse (642636245), we obtain a palindrome (99999999).

The spelling of 542636246 in words is "five hundred forty-two million, six hundred thirty-six thousand, two hundred forty-six".