100240449 has 16 divisors (see below), whose sum is σ = 144970560. Its totient is φ = 61360640.

The previous prime is 100240423. The next prime is 100240451. The reversal of 100240449 is 944042001.

It is a cyclic number.

It is not a de Polignac number, because 100240449 - 2¹¹ = 100238401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100240499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21879 + ... + 26060.

It is an arithmetic number, because the mean of its divisors is an integer number (9060660).

Almost surely, 2^100240449 is an apocalyptic number.

It is an amenable number.

100240449 is a deficient number, since it is larger than the sum of its proper divisors (44730111).

100240449 is a wasteful number, since it uses less digits than its factorization.

100240449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48000.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 100240449 is about 10012.0152317103. The cubic root of 100240449 is about 464.5306073825.

The spelling of 100240449 in words is "one hundred million, two hundred forty thousand, four hundred forty-nine".