4066551205444 has 96 divisors (see below), whose sum is σ = 9076632364800. Its totient is φ = 1550548984320.

The previous prime is 4066551205439. The next prime is 4066551205499. The reversal of 4066551205444 is 4445021556604.

It is a junction number, because it is equal to n+sod(n) for n = 4066551205394 and 4066551205403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5690142 + ... + 6364810.

It is an arithmetic number, because the mean of its divisors is an integer number (94548253800).

Almost surely, 2^{4066551205444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4066551205444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4538316182400).

4066551205444 is an abundant number, since it is smaller than the sum of its proper divisors (5010081159356).

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

4066551205444 is a wasteful number, since it uses less digits than its factorization.

4066551205444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675293 (or 675291 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 46.

The spelling of 4066551205444 in words is "four trillion, sixty-six billion, five hundred fifty-one million, two hundred five thousand, four hundred forty-four".