42023858242 has 8 divisors (see below), whose sum is σ = 63311053500. Its totient is φ = 20920173744.

The previous prime is 42023858231. The next prime is 42023858281. The reversal of 42023858242 is 24285832024.

It can be written as a sum of positive squares in 2 ways, for example, as 36967368361 + 5056489881 = 192269^2 + 71109^2 .

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

It is a super-2 number, since 2×42023858242² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42023858195 and 42023858204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45877117 + ... + 45878032.

Almost surely, 2^42023858242 is an apocalyptic number.

42023858242 is a deficient number, since it is larger than the sum of its proper divisors (21287195258).

42023858242 is a wasteful number, since it uses less digits than its factorization.

42023858242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91755380.

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 42023858242 in words is "forty-two billion, twenty-three million, eight hundred fifty-eight thousand, two hundred forty-two".