100268840 has 32 divisors (see below), whose sum is σ = 257834880. Its totient is φ = 34377792.

The previous prime is 100268809. The next prime is 100268843. The reversal of 100268840 is 48862001.

It is not an unprimeable number, because it can be changed into a prime (100268843) by changing a digit.

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, 178772 + ... + 179331.

It is an arithmetic number, because the mean of its divisors is an integer number (8057340).

Almost surely, 2^100268840 is an apocalyptic number.

100268840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100268840 is an abundant number, since it is smaller than the sum of its proper divisors (157566040).

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

100268840 is a wasteful number, since it uses less digits than its factorization.

100268840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358121 (or 358117 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 100268840 is about 10013.4329777554. The cubic root of 100268840 is about 464.5744594193.

The spelling of 100268840 in words is "one hundred million, two hundred sixty-eight thousand, eight hundred forty".