65806372095240 has 256 divisors, whose sum is σ = 229819767091200. Its totient is φ = 14764174580736.

The previous prime is 65806372095221. The next prime is 65806372095257. The reversal of 65806372095240 is 4259027360856.

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, 6438397 + ... + 13155443.

It is an arithmetic number, because the mean of its divisors is an integer number (897733465200).

Almost surely, 2^{65806372095240} is an apocalyptic number.

65806372095240 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 65806372095240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114909883545600).

65806372095240 is an abundant number, since it is smaller than the sum of its proper divisors (164013394995960).

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

65806372095240 is a wasteful number, since it uses less digits than its factorization.

65806372095240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6717284 (or 6717280 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 65806372095240 in words is "sixty-five trillion, eight hundred six billion, three hundred seventy-two million, ninety-five thousand, two hundred forty".