42408808 has 64 divisors (see below), whose sum is σ = 89631360. Its totient is φ = 18683136.

The previous prime is 42408791. The next prime is 42408809. The reversal of 42408808 is 80880424.

It is not an unprimeable number, because it can be changed into a prime (42408809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396291 + ... + 396397.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 2^42408808 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 42408808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44815680).

42408808 is an abundant number, since it is smaller than the sum of its proper divisors (47222552).

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

42408808 is a wasteful number, since it uses less digits than its factorization.

42408808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 42408808 is about 6512.2045422422. The cubic root of 42408808 is about 348.7268245970.

The spelling of 42408808 in words is "forty-two million, four hundred eight thousand, eight hundred eight".