42557024 has 12 divisors (see below), whose sum is σ = 83784204. Its totient is φ = 21278496.

The previous prime is 42556999. The next prime is 42557051. The reversal of 42557024 is 42075524.

It is a happy number.

It is a super-2 number, since 2×42557024² = 3622200583473152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 664922 + ... + 664985.

It is an arithmetic number, because the mean of its divisors is an integer number (6982017).

Almost surely, 2^42557024 is an apocalyptic number.

It is an amenable number.

42557024 is a deficient number, since it is larger than the sum of its proper divisors (41227180).

42557024 is a wasteful number, since it uses less digits than its factorization.

42557024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329917 (or 1329909 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 42557024 is about 6523.5744802984. The cubic root of 42557024 is about 349.1326113507.

The spelling of 42557024 in words is "forty-two million, five hundred fifty-seven thousand, twenty-four".