8681462129544 has 128 divisors (see below), whose sum is σ = 22251162084480. Its totient is φ = 2821701888000.

The previous prime is 8681462129519. The next prime is 8681462129647. The reversal of 8681462129544 is 4459212641868.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146986819 + ... + 147045869.

It is an arithmetic number, because the mean of its divisors is an integer number (173837203785).

Almost surely, 2^{8681462129544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8681462129544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11125581042240).

8681462129544 is an abundant number, since it is smaller than the sum of its proper divisors (13569699954936).

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

8681462129544 is a wasteful number, since it uses less digits than its factorization.

8681462129544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59991 (or 59987 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 60.

The spelling of 8681462129544 in words is "eight trillion, six hundred eighty-one billion, four hundred sixty-two million, one hundred twenty-nine thousand, five hundred forty-four".