44398880 has 24 divisors (see below), whose sum is σ = 104892732. Its totient is φ = 17759488.

The previous prime is 44398867. The next prime is 44398889. The reversal of 44398880 is 8889344.

It can be written as a sum of positive squares in 2 ways, for example, as 42667024 + 1731856 = 6532^2 + 1316^2 .

It is not an unprimeable number, because it can be changed into a prime (44398889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138587 + ... + 138906.

Almost surely, 2^44398880 is an apocalyptic number.

44398880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44398880 is an abundant number, since it is smaller than the sum of its proper divisors (60493852).

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

44398880 is a wasteful number, since it uses less digits than its factorization.

44398880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277508 (or 277500 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 44398880 is about 6663.2484570215. The cubic root of 44398880 is about 354.0984330526.

The spelling of 44398880 in words is "forty-four million, three hundred ninety-eight thousand, eight hundred eighty".