42158648 has 16 divisors (see below), whose sum is σ = 90340080. Its totient is φ = 18067968.

The previous prime is 42158629. The next prime is 42158659. The reversal of 42158648 is 84685124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376361 + ... + 376472.

It is an arithmetic number, because the mean of its divisors is an integer number (5646255).

Almost surely, 2^42158648 is an apocalyptic number.

It is an amenable number.

42158648 is an abundant number, since it is smaller than the sum of its proper divisors (48181432).

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

42158648 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 42158648 = (21885464)₁₁.

42158648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752846 (or 752842 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 42158648 is about 6492.9691205180. The cubic root of 42158648 is about 348.0397849437.

The spelling of 42158648 in words is "forty-two million, one hundred fifty-eight thousand, six hundred forty-eight".