65486352880 has 80 divisors (see below), whose sum is σ = 165658397184. Its totient is φ = 23930265600.

The previous prime is 65486352863. The next prime is 65486352881. The reversal of 65486352880 is 8825368456.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65486352881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223696 + ... + 425455.

Almost surely, 2^65486352880 is an apocalyptic number.

It is an amenable number.

65486352880 is an abundant number, since it is smaller than the sum of its proper divisors (100172044304).

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

65486352880 is a wasteful number, since it uses less digits than its factorization.

65486352880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649274 (or 649268 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 65486352880 in words is "sixty-five billion, four hundred eighty-six million, three hundred fifty-two thousand, eight hundred eighty".