8420356032 has 112 divisors (see below), whose sum is σ = 24496361472. Its totient is φ = 2531450880.

The previous prime is 8420356001. The next prime is 8420356033. The reversal of 8420356032 is 2306530248.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 8420355984 and 8420356002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8420356033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252528 + ... + 283920.

Almost surely, 2^8420356032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8420356032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12248180736).

8420356032 is an abundant number, since it is smaller than the sum of its proper divisors (16076005440).

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

8420356032 is a wasteful number, since it uses less digits than its factorization.

8420356032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31546 (or 31536 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 8420356032 is about 91762.4979607683. The cubic root of 8420356032 is about 2034.4334363633.

The spelling of 8420356032 in words is "eight billion, four hundred twenty million, three hundred fifty-six thousand, thirty-two".