100244440 has 32 divisors (see below), whose sum is σ = 226748160. Its totient is φ = 39884800.

The previous prime is 100244429. The next prime is 100244453. The reversal of 100244440 is 44442001.

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 7 ways as a sum of consecutive naturals, for example, 1080 + ... + 14200.

It is an arithmetic number, because the mean of its divisors is an integer number (7085880).

Almost surely, 2^100244440 is an apocalyptic number.

100244440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100244440 is an abundant number, since it is smaller than the sum of its proper divisors (126503720).

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

100244440 is a wasteful number, since it uses less digits than its factorization.

100244440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13323 (or 13319 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 100244440 is about 10012.2145402503. The cubic root of 100244440 is about 464.5367722826.

Adding to 100244440 its reverse (44442001), we get a palindrome (144686441).

The spelling of 100244440 in words is "one hundred million, two hundred forty-four thousand, four hundred forty".