8420810432 has 28 divisors (see below), whose sum is σ = 16772199120. Its totient is φ = 4194744576.

The previous prime is 8420810399. The next prime is 8420810467. The reversal of 8420810432 is 2340180248.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227348 + ... + 261779.

Almost surely, 2^8420810432 is an apocalyptic number.

It is an amenable number.

8420810432 is a deficient number, since it is larger than the sum of its proper divisors (8351388688).

8420810432 is a wasteful number, since it uses less digits than its factorization.

8420810432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489408 (or 489398 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 8420810432 is about 91764.9738843749. The cubic root of 8420810432 is about 2034.4700314084.

The spelling of 8420810432 in words is "eight billion, four hundred twenty million, eight hundred ten thousand, four hundred thirty-two".