542815251336 has 40 divisors (see below), whose sum is σ = 1520385312270. Its totient is φ = 180938416896.

The previous prime is 542815251287. The next prime is 542815251337. The reversal of 542815251336 is 633152518245.

It is a happy number.

542815251336 is a `hidden beast` number, since 5 + 4 + 2 + 81 + 52 + 513 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 349997659236 + 192817592100 = 591606^2 + 439110^2 .

It is a junction number, because it is equal to n+sod(n) for n = 542815251291 and 542815251300.

It is not an unprimeable number, because it can be changed into a prime (542815251337) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 418838281 + ... + 418839576.

Almost surely, 2^542815251336 is an apocalyptic number.

It is an amenable number.

542815251336 is an abundant number, since it is smaller than the sum of its proper divisors (977570060934).

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

542815251336 is a wasteful number, since it uses less digits than its factorization.

542815251336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837677875 (or 837677862 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The spelling of 542815251336 in words is "five hundred forty-two billion, eight hundred fifteen million, two hundred fifty-one thousand, three hundred thirty-six".