42158044 has 6 divisors (see below), whose sum is σ = 73776584. Its totient is φ = 21079020.

The previous prime is 42158041. The next prime is 42158063. The reversal of 42158044 is 44085124.

42158044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42158041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5269752 + ... + 5269759.

Almost surely, 2^42158044 is an apocalyptic number.

It is an amenable number.

42158044 is a deficient number, since it is larger than the sum of its proper divisors (31618540).

42158044 is a wasteful number, since it uses less digits than its factorization.

42158044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10539515 (or 10539513 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 42158044 is about 6492.9226085023. The cubic root of 42158044 is about 348.0381228328.

The spelling of 42158044 in words is "forty-two million, one hundred fifty-eight thousand, forty-four".