4445143505220 has 96 divisors (see below), whose sum is σ = 13610299207680. Its totient is φ = 1075038616960.

The previous prime is 4445143505141. The next prime is 4445143505221. The reversal of 4445143505220 is 225053415444.

It is not an unprimeable number, because it can be changed into a prime (4445143505221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7760532 + ... + 8313611.

It is an arithmetic number, because the mean of its divisors is an integer number (141773950080).

Almost surely, 2^{4445143505220} is an apocalyptic number.

It is an amenable number.

4445143505220 is an abundant number, since it is smaller than the sum of its proper divisors (9165155702460).

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

4445143505220 is a wasteful number, since it uses less digits than its factorization.

4445143505220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16074585 (or 16074583 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 4445143505220 in words is "four trillion, four hundred forty-five billion, one hundred forty-three million, five hundred five thousand, two hundred twenty".