42542262 has 48 divisors (see below), whose sum is σ = 111544992. Its totient is φ = 11439360.

The previous prime is 42542251. The next prime is 42542263. The reversal of 42542262 is 26224524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42542263) 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 23 ways as a sum of consecutive naturals, for example, 7789 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (2323854).

Almost surely, 2^42542262 is an apocalyptic number.

42542262 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42542262 is an abundant number, since it is smaller than the sum of its proper divisors (69002730).

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

42542262 is a wasteful number, since it uses less digits than its factorization.

42542262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19893 (or 19890 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 42542262 is about 6522.4429472399. The cubic root of 42542262 is about 349.0922381356.

Adding to 42542262 its reverse (26224524), we get a palindrome (68766786).

The spelling of 42542262 in words is "forty-two million, five hundred forty-two thousand, two hundred sixty-two".