41443840 has 40 divisors (see below), whose sum is σ = 99374220. Its totient is φ = 16576512.

The previous prime is 41443819. The next prime is 41443867. The reversal of 41443840 is 4834414.

It can be written as a sum of positive squares in 2 ways, for example, as 41165056 + 278784 = 6416^2 + 528^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 41443799 and 41443808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5535 + ... + 10654.

Almost surely, 2^41443840 is an apocalyptic number.

41443840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41443840 is an abundant number, since it is smaller than the sum of its proper divisors (57930380).

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

41443840 is an equidigital number, since it uses as much as digits as its factorization.

41443840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16212 (or 16196 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 41443840 is about 6437.6890263510. The cubic root of 41443840 is about 346.0615347137.

The spelling of 41443840 in words is "forty-one million, four hundred forty-three thousand, eight hundred forty".