8849449920 has 56 divisors (see below), whose sum is σ = 28097006544. Its totient is φ = 2359853056.

The previous prime is 8849449913. The next prime is 8849449949. The reversal of 8849449920 is 299449488.

It is a super-3 number, since 3×8849449920³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4608129 + ... + 4610048.

Almost surely, 2^8849449920 is an apocalyptic number.

8849449920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8849449920 is an abundant number, since it is smaller than the sum of its proper divisors (19247556624).

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

8849449920 is a wasteful number, since it uses less digits than its factorization.

8849449920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9218197 (or 9218187 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The square root of 8849449920 is about 94071.5149234879. The cubic root of 8849449920 is about 2068.4201439258.

The spelling of 8849449920 in words is "eight billion, eight hundred forty-nine million, four hundred forty-nine thousand, nine hundred twenty".