542102455242 has 96 divisors (see below), whose sum is σ = 1195317841536. Its totient is φ = 177537744000.

The previous prime is 542102455217. The next prime is 542102455351. The reversal of 542102455242 is 242554201245.

542102455242 is a `hidden beast` number, since 5 + 42 + 1 + 0 + 24 + 552 + 42 = 666.

It is a super-2 number, since 2×542102455242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542102455197 and 542102455206.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291295392 + ... + 291297252.

It is an arithmetic number, because the mean of its divisors is an integer number (12451227516).

Almost surely, 2^542102455242 is an apocalyptic number.

542102455242 is an abundant number, since it is smaller than the sum of its proper divisors (653215386294).

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

542102455242 is a wasteful number, since it uses less digits than its factorization.

542102455242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116 (or 3113 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 542102455242 its reverse (242554201245), we get a palindrome (784656656487).

The spelling of 542102455242 in words is "five hundred forty-two billion, one hundred two million, four hundred fifty-five thousand, two hundred forty-two".