8140468146780 has 96 divisors (see below), whose sum is σ = 23377416632640. Its totient is φ = 2115290142720.

The previous prime is 8140468146743. The next prime is 8140468146787. The reversal of 8140468146780 is 876418640418.

It is a self number, because there is not a number n which added to its sum of digits gives 8140468146780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8140468146787) 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, 43482 + ... + 4035198.

It is an arithmetic number, because the mean of its divisors is an integer number (243514756590).

Almost surely, 2^{8140468146780} 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 8140468146780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11688708316320).

8140468146780 is an abundant number, since it is smaller than the sum of its proper divisors (15236948485860).

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

8140468146780 is a wasteful number, since it uses less digits than its factorization.

8140468146780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992599 (or 3992597 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 57.

The spelling of 8140468146780 in words is "eight trillion, one hundred forty billion, four hundred sixty-eight million, one hundred forty-six thousand, seven hundred eighty".