44279440 has 40 divisors (see below), whose sum is σ = 103442040. Its totient is φ = 17627136.

The previous prime is 44279413. The next prime is 44279447. The reversal of 44279440 is 4497244.

It can be written as a sum of positive squares in 4 ways, for example, as 26873856 + 17405584 = 5184^2 + 4172^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 44279396 and 44279405.

It is not an unprimeable number, because it can be changed into a prime (44279447) 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, 17112 + ... + 19528.

It is an arithmetic number, because the mean of its divisors is an integer number (2586051).

Almost surely, 2^44279440 is an apocalyptic number.

44279440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44279440 is an abundant number, since it is smaller than the sum of its proper divisors (59162600).

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

44279440 is a wasteful number, since it uses less digits than its factorization.

44279440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 44279440 is about 6654.2798257963. The cubic root of 44279440 is about 353.7806209889.

The spelling of 44279440 in words is "forty-four million, two hundred seventy-nine thousand, four hundred forty".