42107442 has 16 divisors (see below), whose sum is σ = 90693120. Its totient is φ = 12956112.

The previous prime is 42107437. The next prime is 42107447. The reversal of 42107442 is 24470124.

It is an interprime number because it is at equal distance from previous prime (42107437) and next prime (42107447).

It is not an unprimeable number, because it can be changed into a prime (42107447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269842 + ... + 269997.

It is an arithmetic number, because the mean of its divisors is an integer number (5668320).

Almost surely, 2^42107442 is an apocalyptic number.

42107442 is an abundant number, since it is smaller than the sum of its proper divisors (48585678).

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

42107442 is a wasteful number, since it uses less digits than its factorization.

42107442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539857.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 42107442 is about 6489.0247341184. The cubic root of 42107442 is about 347.8988178556.

Adding to 42107442 its reverse (24470124), we get a palindrome (66577566).

The spelling of 42107442 in words is "forty-two million, one hundred seven thousand, four hundred forty-two".