6231681480 has 128 divisors (see below), whose sum is σ = 19102003200. Its totient is φ = 1625878272.

The previous prime is 6231681361. The next prime is 6231681487. The reversal of 6231681480 is 841861326.

It is a Cunningham number, because it is equal to 78941²-1.

It is not an unprimeable number, because it can be changed into a prime (6231681487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1576867 + ... + 1580813.

It is an arithmetic number, because the mean of its divisors is an integer number (149234400).

Almost surely, 2^6231681480 is an apocalyptic number.

6231681480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6231681480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9551001600).

6231681480 is an abundant number, since it is smaller than the sum of its proper divisors (12870321720).

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

6231681480 is a wasteful number, since it uses less digits than its factorization.

6231681480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 6231681480 is about 78940.9999936662. Note that the first 5 decimals coincide. The cubic root of 6231681480 is about 1840.2143614467.

The spelling of 6231681480 in words is "six billion, two hundred thirty-one million, six hundred eighty-one thousand, four hundred eighty".