100440669 has 24 divisors (see below), whose sum is σ = 161544000. Its totient is φ = 54369792.

The previous prime is 100440667. The next prime is 100440677. The reversal of 100440669 is 966044001.

It is not a de Polignac number, because 100440669 - 2¹ = 100440667 is a prime.

It is a super-2 number, since 2×100440669² = 20176655978335122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100440667) 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 23 ways as a sum of consecutive naturals, for example, 957 + ... + 14205.

It is an arithmetic number, because the mean of its divisors is an integer number (6731000).

Almost surely, 2^100440669 is an apocalyptic number.

100440669 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

100440669 is a deficient number, since it is larger than the sum of its proper divisors (61103331).

100440669 is a wasteful number, since it uses less digits than its factorization.

100440669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13297 (or 13278 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 100440669 is about 10022.0092296904. The cubic root of 100440669 is about 464.8396857466.

The spelling of 100440669 in words is "one hundred million, four hundred forty thousand, six hundred sixty-nine".