100442424 has 16 divisors (see below), whose sum is σ = 251106120. Its totient is φ = 33480800.

The previous prime is 100442413. The next prime is 100442437. The reversal of 100442424 is 424244001.

It is a self number, because there is not a number n which added to its sum of digits gives 100442424.

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, 2092527 + ... + 2092574.

Almost surely, 2^100442424 is an apocalyptic number.

It is an amenable number.

100442424 is an abundant number, since it is smaller than the sum of its proper divisors (150663696).

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

100442424 is a wasteful number, since it uses less digits than its factorization.

100442424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185110 (or 4185106 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 100442424 is about 10022.0967866011. The cubic root of 100442424 is about 464.8423931124.

Adding to 100442424 its reverse (424244001), we get a palindrome (524686425).

The spelling of 100442424 in words is "one hundred million, four hundred forty-two thousand, four hundred twenty-four".