542402433242 has 8 divisors (see below), whose sum is σ = 813906225300. Its totient is φ = 271100358144.

The previous prime is 542402433197. The next prime is 542402433257. The reversal of 542402433242 is 242334204245.

It can be written as a sum of positive squares in 2 ways, for example, as 413241979921 + 129160453321 = 642839^2 + 359389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50422517 + ... + 50433272.

Almost surely, 2^542402433242 is an apocalyptic number.

542402433242 is a deficient number, since it is larger than the sum of its proper divisors (271503792058).

542402433242 is a wasteful number, since it uses less digits than its factorization.

542402433242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100858480.

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 542402433242 its reverse (242334204245), we get a palindrome (784736637487).

The spelling of 542402433242 in words is "five hundred forty-two billion, four hundred two million, four hundred thirty-three thousand, two hundred forty-two".