41443440 has 40 divisors (see below), whose sum is σ = 128475408. Its totient is φ = 11051520.

The previous prime is 41443421. The next prime is 41443463. The reversal of 41443440 is 4434414.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 41443440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86101 + ... + 86580.

Almost surely, 2^41443440 is an apocalyptic number.

41443440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41443440 is an abundant number, since it is smaller than the sum of its proper divisors (87031968).

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

41443440 is a wasteful number, since it uses less digits than its factorization.

41443440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172697 (or 172691 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 41443440 is about 6437.6579592271. The cubic root of 41443440 is about 346.0604213592.

Adding to 41443440 its reverse (4434414), we get a palindrome (45877854).

The spelling of 41443440 in words is "forty-one million, four hundred forty-three thousand, four hundred forty".