421110344 has 16 divisors (see below), whose sum is σ = 808840620. Its totient is φ = 205419520.

The previous prime is 421110331. The next prime is 421110407. The reversal of 421110344 is 443011124.

It can be written as a sum of positive squares in 2 ways, for example, as 401200900 + 19909444 = 20030^2 + 4462^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 641609 + ... + 642264.

Almost surely, 2^421110344 is an apocalyptic number.

It is an amenable number.

421110344 is a deficient number, since it is larger than the sum of its proper divisors (387730276).

421110344 is a wasteful number, since it uses less digits than its factorization.

421110344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283920 (or 1283916 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 421110344 is about 20520.9732712657. The cubic root of 421110344 is about 749.5465964741.

Adding to 421110344 its reverse (443011124), we get a palindrome (864121468).

The spelling of 421110344 in words is "four hundred twenty-one million, one hundred ten thousand, three hundred forty-four".