42159048 has 64 divisors (see below), whose sum is σ = 112389120. Its totient is φ = 13132800.

The previous prime is 42159001. The next prime is 42159059. The reversal of 42159048 is 84095124.

It is a Cunningham number, because it is equal to 6493²-1.

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 15 ways as a sum of consecutive naturals, for example, 77658 + ... + 78198.

It is an arithmetic number, because the mean of its divisors is an integer number (1756080).

Almost surely, 2^42159048 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 42159048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56194560).

42159048 is an abundant number, since it is smaller than the sum of its proper divisors (70230072).

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

42159048 is a wasteful number, since it uses less digits than its factorization.

42159048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 42159048 is about 6492.9999229940. Note that the first 4 decimals coincide. The cubic root of 42159048 is about 348.0408856706.

The spelling of 42159048 in words is "forty-two million, one hundred fifty-nine thousand, forty-eight".