42113450 has 24 divisors (see below), whose sum is σ = 78607692. Its totient is φ = 16785920.

The previous prime is 42113431. The next prime is 42113459. The reversal of 42113450 is 5431124.

It can be written as a sum of positive squares in 6 ways, for example, as 7879249 + 34234201 = 2807^2 + 5851^2 .

It is not an unprimeable number, because it can be changed into a prime (42113459) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14522 + ... + 17178.

Almost surely, 2^42113450 is an apocalyptic number.

42113450 is a deficient number, since it is larger than the sum of its proper divisors (36494242).

42113450 is a wasteful number, since it uses less digits than its factorization.

42113450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986 (or 2981 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 42113450 is about 6489.4876531202. The cubic root of 42113450 is about 347.9153634399.

Adding to 42113450 its reverse (5431124), we get a palindrome (47544574).

The spelling of 42113450 in words is "forty-two million, one hundred thirteen thousand, four hundred fifty".