100424540 has 12 divisors (see below), whose sum is σ = 210891576. Its totient is φ = 40169808.

The previous prime is 100424521. The next prime is 100424561. The reversal of 100424540 is 45424001.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5021227 = 100424540 / (1 + 0 + 0 + 4 + 2 + 4 + 5 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510594 + ... + 2510633.

It is an arithmetic number, because the mean of its divisors is an integer number (17574298).

Almost surely, 2^100424540 is an apocalyptic number.

100424540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100424540 is an abundant number, since it is smaller than the sum of its proper divisors (110467036).

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

100424540 is a wasteful number, since it uses less digits than its factorization.

100424540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021236 (or 5021234 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 100424540 is about 10021.2045184199. The cubic root of 100424540 is about 464.8148027296.

Adding to 100424540 its reverse (45424001), we get a palindrome (145848541).

The spelling of 100424540 in words is "one hundred million, four hundred twenty-four thousand, five hundred forty".