42605042 has 8 divisors (see below), whose sum is σ = 64194816. Its totient is φ = 21206772.

The previous prime is 42604997. The next prime is 42605051. The reversal of 42605042 is 24050624.

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 = 42604999 and 42605017.

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, 47318 + ... + 48209.

It is an arithmetic number, because the mean of its divisors is an integer number (8024352).

Almost surely, 2^42605042 is an apocalyptic number.

42605042 is a deficient number, since it is larger than the sum of its proper divisors (21589774).

42605042 is a wasteful number, since it uses less digits than its factorization.

42605042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95752.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42605042 is about 6527.2537870072. The cubic root of 42605042 is about 349.2638732576.

Adding to 42605042 its reverse (24050624), we get a palindrome (66655666).

The spelling of 42605042 in words is "forty-two million, six hundred five thousand, forty-two".