42441328 has 20 divisors (see below), whose sum is σ = 83273440. Its totient is φ = 20951424.

The previous prime is 42441323. The next prime is 42441337. The reversal of 42441328 is 82314424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42441296 and 42441305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42441323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15525 + ... + 18052.

It is an arithmetic number, because the mean of its divisors is an integer number (4163672).

Almost surely, 2^42441328 is an apocalyptic number.

It is an amenable number.

42441328 is a deficient number, since it is larger than the sum of its proper divisors (40832112).

42441328 is a wasteful number, since it uses less digits than its factorization.

42441328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33664 (or 33658 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 42441328 is about 6514.7009140865. The cubic root of 42441328 is about 348.8159389372.

The spelling of 42441328 in words is "forty-two million, four hundred forty-one thousand, three hundred twenty-eight".