100400330 has 16 divisors (see below), whose sum is σ = 181116000. Its totient is φ = 40072272.

The previous prime is 100400329. The next prime is 100400357. The reversal of 100400330 is 33004001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6080 + ... + 15419.

It is an arithmetic number, because the mean of its divisors is an integer number (11319750).

Almost surely, 2^100400330 is an apocalyptic number.

100400330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100400330 is a deficient number, since it is larger than the sum of its proper divisors (80715670).

100400330 is a wasteful number, since it uses less digits than its factorization.

100400330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21973.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 100400330 is about 10019.9965069854. The cubic root of 100400330 is about 464.7774477471. Note that the first 3 decimals are identical.

Adding to 100400330 its reverse (33004001), we get a palindrome (133404331).

The spelling of 100400330 in words is "one hundred million, four hundred thousand, three hundred thirty".