42240054 has 8 divisors (see below), whose sum is σ = 84480120. Its totient is φ = 14080016.

The previous prime is 42240049. The next prime is 42240089. The reversal of 42240054 is 45004224.

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

42240054 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42240054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3519999 + ... + 3520010.

It is an arithmetic number, because the mean of its divisors is an integer number (10560015).

Almost surely, 2^42240054 is an apocalyptic number.

42240054 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.

42240054 is a wasteful number, since it uses less digits than its factorization.

42240054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040014.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 42240054 is about 6499.2348780453. The cubic root of 42240054 is about 348.2636560546.

Adding to 42240054 its reverse (45004224), we get a palindrome (87244278).

The spelling of 42240054 in words is "forty-two million, two hundred forty thousand, fifty-four".