4066444004240 has 80 divisors (see below), whose sum is σ = 9760414817280. Its totient is φ = 1573954260480.

The previous prime is 4066444004237. The next prime is 4066444004269. The reversal of 4066444004240 is 424004446604.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 4066444004194 and 4066444004203.

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, 27322346 + ... + 27470774.

It is an arithmetic number, because the mean of its divisors is an integer number (122005185216).

Almost surely, 2^{4066444004240} is an apocalyptic number.

4066444004240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4066444004240 is an abundant number, since it is smaller than the sum of its proper divisors (5693970813040).

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

4066444004240 is a wasteful number, since it uses less digits than its factorization.

4066444004240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159520 (or 159514 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 4066444004240 in words is "four trillion, sixty-six billion, four hundred forty-four million, four thousand, two hundred forty".