42550458338 has 8 divisors (see below), whose sum is σ = 64445354688. Its totient is φ = 21068673444.

The previous prime is 42550458311. The next prime is 42550458341. The reversal of 42550458338 is 83385405524.

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 = 42550458292 and 42550458301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103277606 + ... + 103278017.

It is an arithmetic number, because the mean of its divisors is an integer number (8055669336).

Almost surely, 2^42550458338 is an apocalyptic number.

42550458338 is a deficient number, since it is larger than the sum of its proper divisors (21894896350).

42550458338 is a wasteful number, since it uses less digits than its factorization.

42550458338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206555728.

The product of its (nonzero) digits is 2304000, while the sum is 47.

The spelling of 42550458338 in words is "forty-two billion, five hundred fifty million, four hundred fifty-eight thousand, three hundred thirty-eight".