542312043240 has 64 divisors (see below), whose sum is σ = 1774839418560. Its totient is φ = 131469585920.

The previous prime is 542312043239. The next prime is 542312043277. The reversal of 542312043240 is 42340213245.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 542312043198 and 542312043207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205419909 + ... + 205422548.

It is an arithmetic number, because the mean of its divisors is an integer number (27731865915).

Almost surely, 2^542312043240 is an apocalyptic number.

It is an amenable number.

542312043240 is an abundant number, since it is smaller than the sum of its proper divisors (1232527375320).

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

542312043240 is a wasteful number, since it uses less digits than its factorization.

542312043240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410842482 (or 410842478 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 542312043240 its reverse (42340213245), we get a palindrome (584652256485).

The spelling of 542312043240 in words is "five hundred forty-two billion, three hundred twelve million, forty-three thousand, two hundred forty".