42542424 has 24 divisors (see below), whose sum is σ = 115219260. Its totient is φ = 14180784.

The previous prime is 42542417. The next prime is 42542431. The reversal of 42542424 is 42424524.

It is an interprime number because it is at equal distance from previous prime (42542417) and next prime (42542431).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 295362 + ... + 295505.

Almost surely, 2^42542424 is an apocalyptic number.

It is an amenable number.

42542424 is an abundant number, since it is smaller than the sum of its proper divisors (72676836).

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

42542424 is a wasteful number, since it uses less digits than its factorization.

42542424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590879 (or 590872 counting only the distinct ones).

The product of its digits is 10240, while the sum is 27.

The square root of 42542424 is about 6522.4553658879. The cubic root of 42542424 is about 349.0926812469.

Adding to 42542424 its reverse (42424524), we get a palindrome (84966948).

It can be divided in two parts, 425 and 42424, that added together give a square (42849 = 207²).

The spelling of 42542424 in words is "forty-two million, five hundred forty-two thousand, four hundred twenty-four".