42179344 has 40 divisors (see below), whose sum is σ = 84939008. Its totient is φ = 20269440.

The previous prime is 42179341. The next prime is 42179353. The reversal of 42179344 is 44397124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42179341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137239 + ... + 137545.

Almost surely, 2^42179344 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 42179344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42469504).

42179344 is an abundant number, since it is smaller than the sum of its proper divisors (42759664).

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

42179344 is a wasteful number, since it uses less digits than its factorization.

42179344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 617 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 42179344 is about 6494.5626488625. The cubic root of 42179344 is about 348.0967274167.

The spelling of 42179344 in words is "forty-two million, one hundred seventy-nine thousand, three hundred forty-four".