42405950 has 12 divisors (see below), whose sum is σ = 78875160. Its totient is φ = 16962360.

The previous prime is 42405949. The next prime is 42405953. The reversal of 42405950 is 5950424.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42405953) 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 5 ways as a sum of consecutive naturals, for example, 424010 + ... + 424109.

It is an arithmetic number, because the mean of its divisors is an integer number (6572930).

Almost surely, 2^42405950 is an apocalyptic number.

42405950 is a deficient number, since it is larger than the sum of its proper divisors (36469210).

42405950 is a wasteful number, since it uses less digits than its factorization.

42405950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848131 (or 848126 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 42405950 is about 6511.9851044056. The cubic root of 42405950 is about 348.7189906611.

The spelling of 42405950 in words is "forty-two million, four hundred five thousand, nine hundred fifty".