5481448812 has 72 divisors (see below), whose sum is σ = 16035801600. Its totient is φ = 1546298208.

The previous prime is 5481448787. The next prime is 5481448813. The reversal of 5481448812 is 2188441845.

5481448812 is a `hidden beast` number, since 54 + 81 + 448 + 81 + 2 = 666.

It is a super-2 number, since 2×5481448812² = 60092562157152422688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5481448813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117762 + ... + 157577.

Almost surely, 2^5481448812 is an apocalyptic number.

It is an amenable number.

5481448812 is an abundant number, since it is smaller than the sum of its proper divisors (10554352788).

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

5481448812 is a wasteful number, since it uses less digits than its factorization.

5481448812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275435 (or 275430 counting only the distinct ones).

The product of its digits is 327680, while the sum is 45.

The square root of 5481448812 is about 74036.8071434743. The cubic root of 5481448812 is about 1763.1873213679.

The spelling of 5481448812 in words is "five billion, four hundred eighty-one million, four hundred forty-eight thousand, eight hundred twelve".