110400019 has 2 divisors, whose sum is σ = 110400020. Its totient is φ = 110400018.

The previous prime is 110400001. The next prime is 110400041. The reversal of 110400019 is 910004011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110400019 - 2²³ = 102011411 is a prime.

It is a super-2 number, since 2×110400019² = 24376328390400722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110399975 and 110400011.

It is not a weakly prime, because it can be changed into another prime (110400319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55200009 + 55200010.

It is an arithmetic number, because the mean of its divisors is an integer number (55200010).

Almost surely, 2^110400019 is an apocalyptic number.

110400019 is a deficient number, since it is larger than the sum of its proper divisors (1).

110400019 is an equidigital number, since it uses as much as digits as its factorization.

110400019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 110400019 is about 10507.1413333980. The cubic root of 110400019 is about 479.7220888363.

The spelling of 110400019 in words is "one hundred ten million, four hundred thousand, nineteen".