44285440 has 40 divisors (see below), whose sum is σ = 106187400. Its totient is φ = 17713152.

The previous prime is 44285401. The next prime is 44285441. The reversal of 44285440 is 4458244.

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

It is a super-2 number, since 2×44285440² = 3922400391987200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44285441) 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, 6090 + ... + 11209.

It is an arithmetic number, because the mean of its divisors is an integer number (2654685).

Almost surely, 2^44285440 is an apocalyptic number.

44285440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44285440 is an abundant number, since it is smaller than the sum of its proper divisors (61901960).

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

44285440 is an equidigital number, since it uses as much as digits as its factorization.

44285440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17322 (or 17306 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 44285440 is about 6654.7306481931. The cubic root of 44285440 is about 353.7965997204.

The spelling of 44285440 in words is "forty-four million, two hundred eighty-five thousand, four hundred forty".