65270099440000 has 640 divisors, whose sum is σ = 204238582732800. Its totient is φ = 20217295872000.

The previous prime is 65270099439949. The next prime is 65270099440037. The reversal of 65270099440000 is 4499007256.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 342064621 + ... + 342255379.

It is an arithmetic number, because the mean of its divisors is an integer number (319122785520).

Almost surely, 2^{65270099440000} 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 65270099440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102119291366400).

65270099440000 is an abundant number, since it is smaller than the sum of its proper divisors (138968483292800).

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

65270099440000 is a wasteful number, since it uses less digits than its factorization.

65270099440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190860 (or 190833 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 65270099440000 in words is "sixty-five trillion, two hundred seventy billion, ninety-nine million, four hundred forty thousand".