100344040 has 32 divisors (see below), whose sum is σ = 226404000. Its totient is φ = 40025664.

The previous prime is 100344019. The next prime is 100344043. The reversal of 100344040 is 40443001.

It is not an unprimeable number, because it can be changed into a prime (100344043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11851 + ... + 18469.

It is an arithmetic number, because the mean of its divisors is an integer number (7075125).

Almost surely, 2^100344040 is an apocalyptic number.

100344040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100344040 is an abundant number, since it is smaller than the sum of its proper divisors (126059960).

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

100344040 is a wasteful number, since it uses less digits than its factorization.

100344040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009 (or 7005 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 100344040 is about 10017.1872299563. The cubic root of 100344040 is about 464.6905714941.

Adding to 100344040 its reverse (40443001), we get a palindrome (140787041).

The spelling of 100344040 in words is "one hundred million, three hundred forty-four thousand, forty".