44489780 has 12 divisors (see below), whose sum is σ = 93428580. Its totient is φ = 17795904.

The previous prime is 44489779. The next prime is 44489789. The reversal of 44489780 is 8798444.

44489780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14961424 + 29528356 = 3868^2 + 5434^2 .

It is a super-3 number, since 3×44489780³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44489789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112225 + ... + 1112264.

It is an arithmetic number, because the mean of its divisors is an integer number (7785715).

Almost surely, 2^44489780 is an apocalyptic number.

It is an amenable number.

44489780 is an abundant number, since it is smaller than the sum of its proper divisors (48938800).

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

44489780 is a wasteful number, since it uses less digits than its factorization.

44489780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224498 (or 2224496 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 44489780 is about 6670.0659666903. The cubic root of 44489780 is about 354.3399226738.

The spelling of 44489780 in words is "forty-four million, four hundred eighty-nine thousand, seven hundred eighty".