42158024 has 32 divisors (see below), whose sum is σ = 80680320. Its totient is φ = 20648256.

The previous prime is 42158009. The next prime is 42158041. The reversal of 42158024 is 42085124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42157984 and 42158002.

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, 114689 + ... + 115055.

It is an arithmetic number, because the mean of its divisors is an integer number (2521260).

Almost surely, 2^42158024 is an apocalyptic number.

It is an amenable number.

42158024 is a deficient number, since it is larger than the sum of its proper divisors (38522296).

42158024 is a wasteful number, since it uses less digits than its factorization.

42158024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 625 counting only the distinct ones).

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

The square root of 42158024 is about 6492.9210683636. The cubic root of 42158024 is about 348.0380677958.

Subtracting from 42158024 its reverse (42085124), we obtain a square (72900 = 270²).

The spelling of 42158024 in words is "forty-two million, one hundred fifty-eight thousand, twenty-four".