15840231610680 has 256 divisors, whose sum is σ = 55916187494400. Its totient is φ = 3974912870400.

The previous prime is 15840231610627. The next prime is 15840231610691. The reversal of 15840231610680 is 8601613204851.

15840231610680 is a `hidden beast` number, since 1 + 5 + 8 + 4 + 0 + 23 + 1 + 610 + 6 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112862229 + ... + 113002491.

It is an arithmetic number, because the mean of its divisors is an integer number (218422607400).

Almost surely, 2^{15840231610680} is an apocalyptic number.

15840231610680 is a gapful number since it is divisible by the number (10) 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 15840231610680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27958093747200).

15840231610680 is an abundant number, since it is smaller than the sum of its proper divisors (40075955883720).

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

15840231610680 is a wasteful number, since it uses less digits than its factorization.

15840231610680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146451 (or 146441 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 15840231610680 in words is "fifteen trillion, eight hundred forty billion, two hundred thirty-one million, six hundred ten thousand, six hundred eighty".