42051342 has 8 divisors (see below), whose sum is σ = 84102696. Its totient is φ = 14017112.

The previous prime is 42051329. The next prime is 42051349. The reversal of 42051342 is 24315024.

It is a sphenic number, since it is the product of 3 distinct primes.

42051342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051349) 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 3 ways as a sum of consecutive naturals, for example, 3504273 + ... + 3504284.

It is an arithmetic number, because the mean of its divisors is an integer number (10512837).

Almost surely, 2^42051342 is an apocalyptic number.

42051342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42051342 is a wasteful number, since it uses less digits than its factorization.

42051342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7008562.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42051342 is about 6484.7006098971. The cubic root of 42051342 is about 347.7442466225.

Adding to 42051342 its reverse (24315024), we get a palindrome (66366366).

The spelling of 42051342 in words is "forty-two million, fifty-one thousand, three hundred forty-two".