4009446573420 has 48 divisors (see below), whose sum is σ = 11314847674368. Its totient is φ = 1060766965440.

The previous prime is 4009446573401. The next prime is 4009446573439. The reversal of 4009446573420 is 243756449004.

It is an interprime number because it is at equal distance from previous prime (4009446573401) and next prime (4009446573439).

It is a self number, because there is not a number n which added to its sum of digits gives 4009446573420.

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, 263079426 + ... + 263094665.

It is an arithmetic number, because the mean of its divisors is an integer number (235725993216).

Almost surely, 2^{4009446573420} is an apocalyptic number.

It is an amenable number.

4009446573420 is an abundant number, since it is smaller than the sum of its proper divisors (7305401100948).

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

4009446573420 is a wasteful number, since it uses less digits than its factorization.

4009446573420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526174230 (or 526174228 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 4009446573420 in words is "four trillion, nine billion, four hundred forty-six million, five hundred seventy-three thousand, four hundred twenty".