65350737280 has 32 divisors (see below), whose sum is σ = 156229107840. Its totient is φ = 26140294656.

The previous prime is 65350737229. The next prime is 65350737281. The reversal of 65350737280 is 8273705356.

65350737280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 65350737280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65350737281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51054624 + ... + 51055903.

It is an arithmetic number, because the mean of its divisors is an integer number (4882159620).

Almost surely, 2^65350737280 is an apocalyptic number.

It is an amenable number.

65350737280 is an abundant number, since it is smaller than the sum of its proper divisors (90878370560).

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

65350737280 is a wasteful number, since it uses less digits than its factorization.

65350737280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102110546 (or 102110534 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 65350737280 in words is "sixty-five billion, three hundred fifty million, seven hundred thirty-seven thousand, two hundred eighty".