8814215420 has 24 divisors (see below), whose sum is σ = 19598667984. Its totient is φ = 3318292736.

The previous prime is 8814215407. The next prime is 8814215477. The reversal of 8814215420 is 245124188.

It is a congruent number.

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, 12961742 + ... + 12962421.

It is an arithmetic number, because the mean of its divisors is an integer number (816611166).

Almost surely, 2^8814215420 is an apocalyptic number.

It is an amenable number.

8814215420 is an abundant number, since it is smaller than the sum of its proper divisors (10784452564).

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

8814215420 is a wasteful number, since it uses less digits than its factorization.

8814215420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25924189 (or 25924187 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 8814215420 is about 93884.0530654701. The cubic root of 8814215420 is about 2065.6713218915.

The spelling of 8814215420 in words is "eight billion, eight hundred fourteen million, two hundred fifteen thousand, four hundred twenty".