44445556 has 12 divisors (see below), whose sum is σ = 77851620. Its totient is φ = 22202240.

The previous prime is 44445529. The next prime is 44445559. The reversal of 44445556 is 65554444.

It can be written as a sum of positive squares in 2 ways, for example, as 44009956 + 435600 = 6634^2 + 660^2 .

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44445559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396 + ... + 9436.

It is an arithmetic number, because the mean of its divisors is an integer number (6487635).

Almost surely, 2^44445556 is an apocalyptic number.

It is an amenable number.

44445556 is a deficient number, since it is larger than the sum of its proper divisors (33406064).

44445556 is a wasteful number, since it uses less digits than its factorization.

44445556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10274 (or 10272 counting only the distinct ones).

The product of its digits is 192000, while the sum is 37.

The square root of 44445556 is about 6666.7500328121. The cubic root of 44445556 is about 354.2224760463. Note that the first 3 decimals are identical.

It can be divided in two parts, 4444 and 5556, that added together give a 4-th power (10000 = 10⁴).

The spelling of 44445556 in words is "forty-four million, four hundred forty-five thousand, five hundred fifty-six".