65220244202256 has 80 divisors (see below), whose sum is σ = 197941160746560. Its totient is φ = 18243424949760.

The previous prime is 65220244202237. The next prime is 65220244202263.

65220244202256 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4750885051 + ... + 4750898778.

It is an arithmetic number, because the mean of its divisors is an integer number (2474264509332).

Almost surely, 2^{65220244202256} is an apocalyptic number.

65220244202256 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65220244202256 is an abundant number, since it is smaller than the sum of its proper divisors (132720916544304).

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

65220244202256 is a wasteful number, since it uses less digits than its factorization.

65220244202256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9501783864 (or 9501783858 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 65220244202256 in words is "sixty-five trillion, two hundred twenty billion, two hundred forty-four million, two hundred two thousand, two hundred fifty-six".