8444980538 has 8 divisors (see below), whose sum is σ = 12668517588. Its totient is φ = 4222141344.

The previous prime is 8444980519. The next prime is 8444980543. The reversal of 8444980538 is 8350894448.

It can be written as a sum of positive squares in 2 ways, for example, as 6162721009 + 2282259529 = 78503^2 + 47773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8444980538.

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, 143081 + ... + 193292.

Almost surely, 2^8444980538 is an apocalyptic number.

8444980538 is a deficient number, since it is larger than the sum of its proper divisors (4223537050).

8444980538 is a wasteful number, since it uses less digits than its factorization.

8444980538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348928.

The product of its (nonzero) digits is 4423680, while the sum is 53.

The square root of 8444980538 is about 91896.5752245425. The cubic root of 8444980538 is about 2036.4146733738.

The spelling of 8444980538 in words is "eight billion, four hundred forty-four million, nine hundred eighty thousand, five hundred thirty-eight".