4445154376720 has 20 divisors (see below), whose sum is σ = 10334983926060. Its totient is φ = 1778061750656.

The previous prime is 4445154376703. The next prime is 4445154376769. The reversal of 4445154376720 is 276734515444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 956671785216 + 3488482591504 = 978096^2 + 1867748^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27782214775 + ... + 27782214934.

It is an arithmetic number, because the mean of its divisors is an integer number (516749196303).

Almost surely, 2^{4445154376720} is an apocalyptic number.

4445154376720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4445154376720 is an abundant number, since it is smaller than the sum of its proper divisors (5889829549340).

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

4445154376720 is a wasteful number, since it uses less digits than its factorization.

4445154376720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55564429722 (or 55564429716 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 52.

The spelling of 4445154376720 in words is "four trillion, four hundred forty-five billion, one hundred fifty-four million, three hundred seventy-six thousand, seven hundred twenty".