42415208 has 32 divisors (see below), whose sum is σ = 87320160. Its totient is φ = 19154880.

The previous prime is 42415199. The next prime is 42415229. The reversal of 42415208 is 80251424.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12866 + ... + 15822.

It is an arithmetic number, because the mean of its divisors is an integer number (2728755).

Almost surely, 2^42415208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42415208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43660080).

42415208 is an abundant number, since it is smaller than the sum of its proper divisors (44904952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42415208 is a wasteful number, since it uses less digits than its factorization.

42415208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 42415208 is about 6512.6959087616. The cubic root of 42415208 is about 348.7443660742.

It can be divided in two parts, 4241 and 5208, that added together give a palindrome (9449).

The spelling of 42415208 in words is "forty-two million, four hundred fifteen thousand, two hundred eight".