8620441380 has 72 divisors (see below), whose sum is σ = 26156595192. Its totient is φ = 2298087936.

The previous prime is 8620441373. The next prime is 8620441441. The reversal of 8620441380 is 831440268.

It can be written as a sum of positive squares in 4 ways, for example, as 3837059136 + 4783382244 = 61944^2 + 69162^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 909144 + ... + 918576.

Almost surely, 2^8620441380 is an apocalyptic number.

It is an amenable number.

8620441380 is an abundant number, since it is smaller than the sum of its proper divisors (17536153812).

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

8620441380 is a wasteful number, since it uses less digits than its factorization.

8620441380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14525 (or 14520 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 8620441380 is about 92846.3320761784. The cubic root of 8620441380 is about 2050.4215972079.

The spelling of 8620441380 in words is "eight billion, six hundred twenty million, four hundred forty-one thousand, three hundred eighty".