110408409 has 12 divisors (see below), whose sum is σ = 159569956. Its totient is φ = 73563552.

The previous prime is 110408399. The next prime is 110408413. The reversal of 110408409 is 904804011.

It can be written as a sum of positive squares in 2 ways, for example, as 58568409 + 51840000 = 7653^2 + 7200^2 .

It is not a de Polignac number, because 110408409 - 2⁴ = 110408393 is a prime.

It is a super-2 number, since 2×110408409² = 24380033555822562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110418409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28539 + ... + 32175.

Almost surely, 2^110408409 is an apocalyptic number.

It is an amenable number.

110408409 is a deficient number, since it is larger than the sum of its proper divisors (49161547).

110408409 is a wasteful number, since it uses less digits than its factorization.

110408409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016 (or 7013 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 110408409 is about 10507.5405780801. The cubic root of 110408409 is about 479.7342409065.

The spelling of 110408409 in words is "one hundred ten million, four hundred eight thousand, four hundred nine".