8443484880 has 80 divisors (see below), whose sum is σ = 27019175424. Its totient is φ = 2178961920.

The previous prime is 8443484837. The next prime is 8443484899. The reversal of 8443484880 is 884843448.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×8443484880² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559999 + ... + 574878.

Almost surely, 2^8443484880 is an apocalyptic number.

8443484880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8443484880 is an abundant number, since it is smaller than the sum of its proper divisors (18575690544).

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

8443484880 is a wasteful number, since it uses less digits than its factorization.

8443484880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134924 (or 1134918 counting only the distinct ones).

The product of its (nonzero) digits is 3145728, while the sum is 51.

The square root of 8443484880 is about 91888.4371398273. The cubic root of 8443484880 is about 2036.2944457542.

The spelling of 8443484880 in words is "eight billion, four hundred forty-three million, four hundred eighty-four thousand, eight hundred eighty".