8035645428 has 36 divisors (see below), whose sum is σ = 20370559300. Its totient is φ = 2670869376.

The previous prime is 8035645427. The next prime is 8035645441. The reversal of 8035645428 is 8245465308.

8035645428 is a `hidden beast` number, since 80 + 3 + 564 + 5 + 4 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2551058064 + 5484587364 = 50508^2 + 74058^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8035645421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307225 + ... + 332352.

Almost surely, 2^8035645428 is an apocalyptic number.

It is an amenable number.

8035645428 is an abundant number, since it is smaller than the sum of its proper divisors (12334913872).

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

8035645428 is a wasteful number, since it uses less digits than its factorization.

8035645428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639936 (or 639931 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The square root of 8035645428 is about 89641.7616292763. The cubic root of 8035645428 is about 2002.9660514283.

The spelling of 8035645428 in words is "eight billion, thirty-five million, six hundred forty-five thousand, four hundred twenty-eight".