814445420 has 24 divisors (see below), whose sum is σ = 1710997344. Its totient is φ = 325652096.

The previous prime is 814445407. The next prime is 814445447. The reversal of 814445420 is 24544418.

814445420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58889 + ... + 71391.

It is an arithmetic number, because the mean of its divisors is an integer number (71291556).

Almost surely, 2^814445420 is an apocalyptic number.

It is an amenable number.

814445420 is an abundant number, since it is smaller than the sum of its proper divisors (896551924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814445420 is a wasteful number, since it uses less digits than its factorization.

814445420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15769 (or 15767 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The square root of 814445420 is about 28538.4901492703. The cubic root of 814445420 is about 933.8719445021.

Adding to 814445420 its reverse (24544418), we get a palindrome (838989838).

The spelling of 814445420 in words is "eight hundred fourteen million, four hundred forty-five thousand, four hundred twenty".