4436220065520 has 40 divisors (see below), whose sum is σ = 13752282203856. Its totient is φ = 1182992017408.

The previous prime is 4436220065513. The next prime is 4436220065521. The reversal of 4436220065520 is 255600226344.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4436220065521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9242124897 + ... + 9242125376.

Almost surely, 2^{4436220065520} is an apocalyptic number.

4436220065520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4436220065520 is an abundant number, since it is smaller than the sum of its proper divisors (9316062138336).

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

4436220065520 is a wasteful number, since it uses less digits than its factorization.

4436220065520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18484250289 (or 18484250283 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 4436220065520 in words is "four trillion, four hundred thirty-six billion, two hundred twenty million, sixty-five thousand, five hundred twenty".