542512240236 has 72 divisors (see below), whose sum is σ = 1377954177600. Its totient is φ = 179967294720.

The previous prime is 542512240147. The next prime is 542512240253. The reversal of 542512240236 is 632042215245.

542512240236 is a `hidden beast` number, since 5 + 425 + 1 + 224 + 0 + 2 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 542512240236.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20110125 + ... + 20137083.

Almost surely, 2^542512240236 is an apocalyptic number.

It is an amenable number.

542512240236 is an abundant number, since it is smaller than the sum of its proper divisors (835441937364).

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

542512240236 is a wasteful number, since it uses less digits than its factorization.

542512240236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29639 (or 29634 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 542512240236 in words is "five hundred forty-two billion, five hundred twelve million, two hundred forty thousand, two hundred thirty-six".