542298442 has 8 divisors (see below), whose sum is σ = 929654496. Its totient is φ = 232413612.

The previous prime is 542298403. The next prime is 542298443. The reversal of 542298442 is 244892245.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 542298395 and 542298404.

It is not an unprimeable number, because it can be changed into a prime (542298443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19367788 + ... + 19367815.

It is an arithmetic number, because the mean of its divisors is an integer number (116206812).

Almost surely, 2^542298442 is an apocalyptic number.

542298442 is a deficient number, since it is larger than the sum of its proper divisors (387356054).

542298442 is a wasteful number, since it uses less digits than its factorization.

542298442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38735612.

The product of its digits is 184320, while the sum is 40.

The square root of 542298442 is about 23287.3021623373. The cubic root of 542298442 is about 815.4790073091.

The spelling of 542298442 in words is "five hundred forty-two million, two hundred ninety-eight thousand, four hundred forty-two".