42410420 has 24 divisors (see below), whose sum is σ = 95913384. Its totient is φ = 15659136.

The previous prime is 42410419. The next prime is 42410453. The reversal of 42410420 is 2401424.

It can be written as a sum of positive squares in 4 ways, for example, as 1373584 + 41036836 = 1172^2 + 6406^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81299 + ... + 81818.

It is an arithmetic number, because the mean of its divisors is an integer number (3996391).

Almost surely, 2^42410420 is an apocalyptic number.

It is an amenable number.

42410420 is an abundant number, since it is smaller than the sum of its proper divisors (53502964).

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

42410420 is a wasteful number, since it uses less digits than its factorization.

42410420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163139 (or 163137 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 42410420 is about 6512.3283086773. The cubic root of 42410420 is about 348.7312430228.

Adding to 42410420 its reverse (2401424), we get a palindrome (44811844).

The spelling of 42410420 in words is "forty-two million, four hundred ten thousand, four hundred twenty".