110440421 has 8 divisors (see below), whose sum is σ = 135926784. Its totient is φ = 87381360.

The previous prime is 110440409. The next prime is 110440433. The reversal of 110440421 is 124044011.

It is an interprime number because it is at equal distance from previous prime (110440409) and next prime (110440433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110440421 - 2¹⁰ = 110439397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110440421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110440441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606725 + ... + 606906.

It is an arithmetic number, because the mean of its divisors is an integer number (16990848).

Almost surely, 2^110440421 is an apocalyptic number.

It is an amenable number.

110440421 is a deficient number, since it is larger than the sum of its proper divisors (25486363).

110440421 is a wasteful number, since it uses less digits than its factorization.

110440421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213651.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 110440421 is about 10509.0637546834. The cubic root of 110440421 is about 479.7806014107.

Adding to 110440421 its reverse (124044011), we get a palindrome (234484432).

The spelling of 110440421 in words is "one hundred ten million, four hundred forty thousand, four hundred twenty-one".