542185336 has 64 divisors (see below), whose sum is σ = 1291438080. Its totient is φ = 207242880.

The previous prime is 542185321. The next prime is 542185337. The reversal of 542185336 is 633581245.

It is a junction number, because it is equal to n+sod(n) for n = 542185295 and 542185304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542185337) 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, 24345 + ... + 40951.

It is an arithmetic number, because the mean of its divisors is an integer number (20178720).

Almost surely, 2^542185336 is an apocalyptic number.

542185336 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542185336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645719040).

542185336 is an abundant number, since it is smaller than the sum of its proper divisors (749252744).

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

542185336 is a wasteful number, since it uses less digits than its factorization.

542185336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16684 (or 16680 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 542185336 is about 23284.8735448574. The cubic root of 542185336 is about 815.4223091428.

The spelling of 542185336 in words is "five hundred forty-two million, one hundred eighty-five thousand, three hundred thirty-six".