42041232 has 60 divisors (see below), whose sum is σ = 118380444. Its totient is φ = 13927680.

The previous prime is 42041231. The next prime is 42041257. The reversal of 42041232 is 23214024.

It can be written as a sum of positive squares in 2 ways, for example, as 9960336 + 32080896 = 3156^2 + 5664^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (42041231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25258 + ... + 26870.

Almost surely, 2^42041232 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 42041232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59190222).

42041232 is an abundant number, since it is smaller than the sum of its proper divisors (76339212).

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

42041232 is a wasteful number, since it uses less digits than its factorization.

42041232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42041232 is about 6483.9210359165. The cubic root of 42041232 is about 347.7163761198.

Adding to 42041232 its reverse (23214024), we get a palindrome (65255256).

The spelling of 42041232 in words is "forty-two million, forty-one thousand, two hundred thirty-two".