4449133357780 has 24 divisors (see below), whose sum is σ = 9397186879752. Its totient is φ = 1769366328192.

The previous prime is 4449133357771. The next prime is 4449133357819. The reversal of 4449133357780 is 877533319444.

It can be written as a sum of positive squares in 4 ways, for example, as 2013998075716 + 2435135282064 = 1419154^2 + 1560492^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 642934887 + ... + 642941806.

It is an arithmetic number, because the mean of its divisors is an integer number (391549453323).

Almost surely, 2^{4449133357780} is an apocalyptic number.

It is an amenable number.

4449133357780 is an abundant number, since it is smaller than the sum of its proper divisors (4948053521972).

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

4449133357780 is a wasteful number, since it uses less digits than its factorization.

4449133357780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285876875 (or 1285876873 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 58.

The spelling of 4449133357780 in words is "four trillion, four hundred forty-nine billion, one hundred thirty-three million, three hundred fifty-seven thousand, seven hundred eighty".