100380456 has 48 divisors (see below), whose sum is σ = 296580960. Its totient is φ = 30418080.

The previous prime is 100380451. The next prime is 100380457. The reversal of 100380456 is 654083001.

It is not an unprimeable number, because it can be changed into a prime (100380451) 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 11 ways as a sum of consecutive naturals, for example, 62580 + ... + 64163.

It is an arithmetic number, because the mean of its divisors is an integer number (6178770).

Almost surely, 2^100380456 is an apocalyptic number.

It is an amenable number.

100380456 is an abundant number, since it is smaller than the sum of its proper divisors (196200504).

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

100380456 is a wasteful number, since it uses less digits than its factorization.

100380456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126766 (or 126759 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 100380456 is about 10019.0047409910. The cubic root of 100380456 is about 464.7467785367.

The spelling of 100380456 in words is "one hundred million, three hundred eighty thousand, four hundred fifty-six".