8281403120 has 40 divisors (see below), whose sum is σ = 20386869264. Its totient is φ = 3117704192.

The previous prime is 8281403111. The next prime is 8281403131. The reversal of 8281403120 is 213041828.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3043274 + ... + 3045993.

Almost surely, 2^8281403120 is an apocalyptic number.

8281403120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8281403120 is an abundant number, since it is smaller than the sum of its proper divisors (12105466144).

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

8281403120 is a wasteful number, since it uses less digits than its factorization.

8281403120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089297 (or 6089291 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 8281403120 is about 91002.2149180997. The cubic root of 8281403120 is about 2023.1805529986.

Adding to 8281403120 its reverse (213041828), we get a palindrome (8494444948).

The spelling of 8281403120 in words is "eight billion, two hundred eighty-one million, four hundred three thousand, one hundred twenty".