42561176 has 32 divisors (see below), whose sum is σ = 92067840. Its totient is φ = 18067488.

The previous prime is 42561143. The next prime is 42561187. The reversal of 42561176 is 67116524.

It is a super-2 number, since 2×42561176² = 3622907405005952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2441 + ... + 9543.

It is an arithmetic number, because the mean of its divisors is an integer number (2877120).

Almost surely, 2^42561176 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 42561176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46033920).

42561176 is an abundant number, since it is smaller than the sum of its proper divisors (49506664).

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

42561176 is a wasteful number, since it uses less digits than its factorization.

42561176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7223 (or 7219 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 42561176 is about 6523.8927029803. The cubic root of 42561176 is about 349.1439651479.

The spelling of 42561176 in words is "forty-two million, five hundred sixty-one thousand, one hundred seventy-six".