42441420 has 48 divisors (see below), whose sum is σ = 135813888. Its totient is φ = 9700800.

The previous prime is 42441403. The next prime is 42441461. The reversal of 42441420 is 2414424.

42441420 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 (21).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 50106 + ... + 50945.

It is an arithmetic number, because the mean of its divisors is an integer number (2829456).

Almost surely, 2^42441420 is an apocalyptic number.

It is an amenable number.

42441420 is an abundant number, since it is smaller than the sum of its proper divisors (93372468).

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

42441420 is a wasteful number, since it uses less digits than its factorization.

42441420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101070 (or 101068 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 42441420 is about 6514.7079750362. The cubic root of 42441420 is about 348.8161909796.

Adding to 42441420 its reverse (2414424), we get a palindrome (44855844).

The spelling of 42441420 in words is "forty-two million, four hundred forty-one thousand, four hundred twenty".