42441140 has 24 divisors (see below), whose sum is σ = 101859072. Its totient is φ = 14551200.

The previous prime is 42441127. The next prime is 42441143. The reversal of 42441140 is 4114424.

It is a happy number.

42441140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42441143) 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 in 7 ways as a sum of consecutive naturals, for example, 151436 + ... + 151715.

It is an arithmetic number, because the mean of its divisors is an integer number (4244128).

Almost surely, 2^42441140 is an apocalyptic number.

It is an amenable number.

42441140 is an abundant number, since it is smaller than the sum of its proper divisors (59417932).

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

42441140 is a wasteful number, since it uses less digits than its factorization.

42441140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303167 (or 303165 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 42441140 is about 6514.6864851657. The cubic root of 42441140 is about 348.8154238929.

Adding to 42441140 its reverse (4114424), we get a palindrome (46555564).

The spelling of 42441140 in words is "forty-two million, four hundred forty-one thousand, one hundred forty".