42442100 has 36 divisors (see below), whose sum is σ = 95077248. Its totient is φ = 16428000.

The previous prime is 42442097. The next prime is 42442129. The reversal of 42442100 is 124424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3746 + ... + 9945.

Almost surely, 2^42442100 is an apocalyptic number.

It is an amenable number.

42442100 is an abundant number, since it is smaller than the sum of its proper divisors (52635148).

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

42442100 is a wasteful number, since it uses less digits than its factorization.

42442100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13736 (or 13729 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 42442100 is about 6514.7601644266. The cubic root of 42442100 is about 348.8180538904.

Adding to 42442100 its reverse (124424), we get a palindrome (42566524).

It can be divided in two parts, 424 and 42100, that added together give a palindrome (42524).

The spelling of 42442100 in words is "forty-two million, four hundred forty-two thousand, one hundred".