542403423441 has 30 divisors (see below), whose sum is σ = 890613044706. Its totient is φ = 328729341600.

The previous prime is 542403423439. The next prime is 542403423509. The reversal of 542403423441 is 144324304245.

542403423441 is a `hidden beast` number, since 5 + 4 + 240 + 342 + 34 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 539753233041 + 2650190400 = 734679^2 + 51480^2 .

It is not a de Polignac number, because 542403423441 - 2¹ = 542403423439 is a prime.

It is a super-3 number, since 3×542403423441³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542403423396 and 542403423405.

It is not an unprimeable number, because it can be changed into a prime (542403423241) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 27661020 + ... + 27680621.

Almost surely, 2^542403423441 is an apocalyptic number.

It is an amenable number.

542403423441 is a deficient number, since it is larger than the sum of its proper divisors (348209621265).

542403423441 is a wasteful number, since it uses less digits than its factorization.

542403423441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55341675 (or 55341655 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 542403423441 its reverse (144324304245), we get a palindrome (686727727686).

The spelling of 542403423441 in words is "five hundred forty-two billion, four hundred three million, four hundred twenty-three thousand, four hundred forty-one".