44427840 has 56 divisors (see below), whose sum is σ = 141061440. Its totient is φ = 11847168.

The previous prime is 44427839. The next prime is 44427841. The reversal of 44427840 is 4872444.

It is an interprime number because it is at equal distance from previous prime (44427839) and next prime (44427841).

It is not an unprimeable number, because it can be changed into a prime (44427841) 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 7 ways as a sum of consecutive naturals, for example, 22180 + ... + 24099.

Almost surely, 2^44427840 is an apocalyptic number.

44427840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44427840 is an abundant number, since it is smaller than the sum of its proper divisors (96633600).

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

44427840 is a wasteful number, since it uses less digits than its factorization.

44427840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46299 (or 46289 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 44427840 is about 6665.4212169975. The cubic root of 44427840 is about 354.1754054284.

The spelling of 44427840 in words is "forty-four million, four hundred twenty-seven thousand, eight hundred forty".