42115108 has 36 divisors (see below), whose sum is σ = 86362752. Its totient is φ = 17917200.

The previous prime is 42115097. The next prime is 42115121. The reversal of 42115108 is 80151124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28885 + ... + 30307.

Almost surely, 2^42115108 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 42115108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43181376).

42115108 is an abundant number, since it is smaller than the sum of its proper divisors (44247644).

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

42115108 is a wasteful number, since it uses less digits than its factorization.

42115108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 42115108 is about 6489.6153969245. The cubic root of 42115108 is about 347.9199291713.

It can be divided in two parts, 4 and 2115108, that added together give a palindrome (2115112).

The spelling of 42115108 in words is "forty-two million, one hundred fifteen thousand, one hundred eight".