4449156804 has 27 divisors (see below), whose sum is σ = 11247491437. Its totient is φ = 1482918864.

The previous prime is 4449156773. The next prime is 4449156857. The reversal of 4449156804 is 4086519444.

The square root of 4449156804 is 66702.

It is a perfect power (a square), and thus also a powerful number.

4449156804 is a `hidden beast` number, since 44 + 49 + 1 + 568 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 486202500 + 3962954304 = 22050^2 + 62952^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4449156804.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 394654 + ... + 405770.

Almost surely, 2^4449156804 is an apocalyptic number.

4449156804 is the 66702-nd square number.

It is an amenable number.

4449156804 is an abundant number, since it is smaller than the sum of its proper divisors (6798334633).

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

4449156804 is an equidigital number, since it uses as much as digits as its factorization.

4449156804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22244 (or 11122 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The cubic root of 4449156804 is about 1644.7222615389.

The spelling of 4449156804 in words is "four billion, four hundred forty-nine million, one hundred fifty-six thousand, eight hundred four".